Central nervous system function

The nervous system has two great divisions: the central nervous system (CNS), which consists of the brain and the spinal cord, and the peripheral nervous system (PNS), which consists of nerves and small concentrations of gray matter called ganglia. Your brain controls most of the functions of your body, including awareness The brain and the spinal cord are the central nervous system, and they represent the main organs of the nervous system. A full discussion of CNS function is beyond the scope of this book,  24 Feb 2012 A functional unit consisting of the brain and spinal cord. organ of the central nervous system found within the vertebral cavity and connected with the periphery through spinal nerves; mediates reflex behaviors stimulus an event in the external or internal environment that registers as activity in a sensory neuron tract bundle of axons in the central nervous system having the same function and point of The central nervous system is also involved with our senses—seeing, hearing, touching, tasting, and smelling as well as our emotions, thoughts, and memory. · Central Nervous System. The brain sends messages via the spinal cord to the body's peripheral nerves, which control the The central nervous system (CNS) consists of the brain and spinal cord, which are enclosed and protected by the cranium and vertebral column. The main function of this division of the nervous system is to connect the central nervous system to the rest of the body. The brain takes in what your eyes see and ears hear, and if you decide that you want to move  The central nervous system and peripheral nervous system work together to allow your brain to control your body's many functions, which includes 3 important  13 févr. the peripheral nervous system – it is made up of nerves that branch off from the spinal cord and extend to all parts of the body. The nervous system transmits signals between the brain and the rest of the body, including internal organs. The Fish Brain Generally speaking, fish have small […]  Hence, the role of neurodevelopmentally acquired CNS dysfunctions in promoting peripheral abnormal- ities following prenatal infection still awaits thorough  The long processes (axons) of neurons course in the central nervous system in functional groups called tracts. Basic body functions: the nervous system controls the things you don’t think about, like the beating of your heart, breathing, digestion, sweating and shivering. Central nervous system. This image is copyright Dennis Kunkel at www. The CNS is the brain and spinal cord. Central Nervous System Labeled - Cerebrum Function And Structure Cerebrum Function Cerebrum Function Central Nervous System Pons Brain -. However, keep in mind that the subdivisions are all part of a single nervous system. The central nervous system is discussed further in the other posts: Human brain and Spinal cord. The Brain  This second edition is authored by the son of Alf Brodal, who wrote the Norwegian forerunner of this book several years ago. diabetesjournals. For example, in order to walk the CNS needs visual and integumentary cues – the texture of the surface, its Divisions of the Nervous System 1. Acidosis and alkalosis impair central and peripheral nervous system function. The motor and sensory nerves running throughout the body make up the Peripheral Nervous System (PNS). The nervous system consists of the central nervous system  It is in charge of a wide range of very basic “life support” functions for the human body including breathing, digestion, and the beating of the heart. 000 synapses per 'typical' neuron. They receive data and feedback from the sensory organs and from nerves throughout the body, The nervous system has two main divisions: the central nervous system (CNS) and the peripheral nervous system (PNS). The eyes take in light and convert it into electrical signals that travel to the brain and create an image. The brain and nervous system are your body's central control center. Ears. The nervous system  28 juil. Your brain and spinal cord serve as the main "processing center" for your entire nervous system. 10 Mei 2019 Central Nervous System Your CNS is the boss of your body. Per Brodal is a physician and a  The nervous system is a complex system including the brain, spinal cord and nerves. Central Nervous System (CNS) Definition. If pH is 7. One significant central nervous system function is the integration of sensory information and the interpretation of our environment. Oxford University Press, USA, 2004 - Medical - 515 pages. 1). The Central Nervous System mainly comprises of two parts Together, the central nervous system (CNS) and the peripheral nervous systems (PNS) transmit and process sensory information and coordinate bodily functions. Today Hank talks about your central nervous system. The nervous system is divided into the brain and spinal cord (central nervous system, or CNS) and the nerve cells that control voluntary and involuntary movements (peripheral nervous system, or PNS). Certifie The nervous system is perhaps the most important part of the body. It functions as the transmitter and receiver as well as the pathway for information flow and determines how the body responds to changes in its internal and external environment. The brain floats within the skull suspended by cerebrospinal fluid (CSF) that serves as a shock absorber and maintains even pressure within the brain. Module 1 : The Function of the Central Nervous System Central Nervous System Labeled - Cerebrum Function And Structure Cerebrum Function Cerebrum Function Central Nervous System Pons Brain -. Processes the information in the brain and spine – Integration Function 4. The central nervous system (CNS) is the brain and spinal  The basic purpose of the nervous system is to regulate and adapt the human body to changes in the environment and in the  The brain and spinal cord (the CNS) function as the control center. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis. The human brain is incredibly compact, weighing just 3 pounds. Peripheral nervous system (PNS) - gathers all neural tissue outside the CNS. See full list on simplypsychology. Our nervous systems allow our body to respond to stimuli and coordinate important bodil The central nervous system, composed of the brain, spinal cord and an extensive neuron network, serves as the control center for all bodily functions. The other part of the nervous system is the Peripheral Nervous System (or PNS). The human nervous system has inherited special functional capabilities from each stage of human evolutionary development. A person’s conscious experiences are based on DIVISIONS OF THE NERVOUS SYSTEM FIGURE 11. Since many of the axons have a layer of shiny  Introduction to nervous system, nerve function and central nervous system. At a basic level, these signals are responsible for c Understanding how the nervous system works provides the foundation for understanding physiology. For instance, if your finger comes into contact with a thorn on a rose bush, a sensory neuron transmits a signal from your finger up through the spinal cord and into the brain. The brain is contained within the cranial cavity of the skull, and the spinal cord is contained within the vertebral canal of the vertebral column. The nervous system is very complex. The brain is command central. Regulation of neurological function by the gut microbiome. Separate pages describe the nervous system in general, sensation, control of skeletal muscle and control of internal organs. The nervous system has two main divisions: the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system (CNS) consists of the brain and the spinal cord, while the peripheral nervous system (PNS) consists of sensory neurons, ganglia (clusters of neurons) and nerves. Learn about nervous system, its functions, major subdivisions, the human brain, the cerebrum, and the spinal cord, the sensory function and the motor function. The CNS contains about 86 billion nerve cells in total, this is more than 12x the amount of people on planet Earth right now The central nervous system is also involved with our senses—seeing, hearing, touching, tasting, and smelling as well as our emotions, thoughts, and memory. Each nerve has a protective outer layer called myelin. The central nervous system is the brain and spinal cord, while the peripheral nervous system consists of everything else. These signals speed in and out of the spinal cord via spinal nerves—the “on-ramps and off-ramps” that branch out to supply the limbs, torso, and pelvis. 1. Your brain uses your nerves to send messages to the rest of your body. Cerebral Cortex - (gray matter “computer”). Classically, the central nervous system (CNS) and the immune system are thought to operate independently of each other. In this episode we'll explore how your brain develops and how important location is for  17 janv. It guides everyday activities such as waking up; automatic activities such as breathing; and complex processes such as thinking, reading, remembering, and feeling emotions. The Central Nervous System (CNS) is made up of the brain and the spinal cord. 4, 5 For example, mood disorders affect more than half of all patients with irritable bowel syndrome, 6 with antidepressants being one The nervous system can be split into two subsystems: the central nervous system includes the brain and spinal cord as well as the retina of the eyes, and the peripheral nervous system includes all the nerves that exit the spinal cord to travel throughout the body, transmitting signals between the body and the brain such as motor and sensory Learn about nervous system, its functions, major subdivisions, the human brain, the cerebrum, and the spinal cord, the sensory function and the motor function. It regulates organ function, higher thought, and movement of the body. Generation & propagation of an action potential The nervous system is the major controlling, regulatory, and communicating system in the body. com, used with permission. The central nervous system is composed of the brain and the spinal cord. 3 Mei 2006 The nervous system is a network of specialized tissues that regulates thoughts, emotions, actions, sensations, and basic body functions. Neuroscience is the scientific study of the nervous system (the brain, spinal cord, and peripheral nervous system) and its functions. The brain. Let's start with a simple division: The nervous system is divided into the central nervous system and peripheral nervous system. Proper nervous system function involves coordinated action of neurons in many brain regions. The location of the cerebellum is in the beginning the ponds. Through its receptors, the nervous system keeps us in Your central nervous system (CNS) is made up of your brain and your spinal cord, and is one of two parts of your nervous system. One is the Central Nervous System (or CNS). 2. Sensory The Function Of The Nervous System. It interprets and responds to information received through the senses. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling The nervous system consists of the central nervous system and the peripheral nervous system. The Central Nervous System This page outlines the basic physiology of the central nervous system, including the brain and spinal cord. The brain has numerous functions but in general, it is responsible for processing the information that comes from the five senses, as well as controlling movement, emotions, memory, cognition, and learning. Learn about the nervous system and its functions. The neurons in both systems work together to help  Plays key role in most sophisticated neural functions. Other sensations the body perceives and interprets include Regulation of neurological function by the gut microbiome. DIVISIONS OF THE NERVOUS SYSTEM FIGURE 11. Get facts about cardiac muscle here. The human nervous system consists of the Central Nervous System (CNS) and the Peripheral Nervous System (PNS). Facts about Central Nervous System 10: cerebellum. Acidosis depresses the central nervous system (this most frequently occurs in respiratory acidosis). The brain and the spinal cord are the central nervous system, and they represent the main organs of the nervous system. Medulla Oblongata This portion of the brain stem is located just above the spinal cord. They  The nervous system can be divided into two major regions: the central and peripheral nervous systems. Macrophage polarization refers to how macrophages have been activated at a given point in space and time. The central nervous system (CNS) consists of the brain and the spinal cord. The central nervous system's responsibilities include receiving, processing, and responding to sensory information. organ of the central nervous system found within the vertebral cavity and connected with the periphery through spinal nerves; mediates reflex behaviors stimulus an event in the external or internal environment that registers as activity in a sensory neuron tract bundle of axons in the central nervous system having the same function and point of The central nervous system works by taking in the information collected by the peripheral nervous system and redistributing information based on that. The belief that the brain is the organ that controls behavior has ancient roots, dating to early civilizations that connected loss of function to damage to parts of the brain and spinal cord. Learn about how the central nervous system is affected by lupus. The other part is your peripheral nervous system, which consists of nerves that connect your brain and spinal cord to the rest of your body. Together, the central nervous system (CNS) and the peripheral nervous systems (PNS) transmit and process sensory information and coordinate bodily functions. The CNS is responsible for the control of thought processes, movement, and provides sensation throughout the body. The CNS consists of your brain and spinal cord. It is the best-known organ of the central nervous system. Nerves are the pathways that carry signals to and from your brain and the rest of your body. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body. The olfactory epithelium, olfactory Regulation of neurological function by the gut microbiome. : Per Brodal. Polarization is not fixed,  The hypothalamus regulates functions like thirst, appetite, and sleep patterns. The nervous system also regulates the actions of most other body systems,  31 juil. Each of the these subdivisions are referred to as separate nervous systems. All Human Physiology/The Nervous System 5 Central Nervous System The central nervous system is the control center for the body. 1. The nervous system can be divided into subdivisions based on structure and on function. Transmits information to the processing areas of the brain and spine 3. It is responsible for coordinating the messages it gets from the PNS to provide the  Abstract. A. Module 1 : The Function of the Central Nervous System The nervous system has two great divisions: the central nervous system (CNS), which consists of the brain and the spinal cord, and the peripheral nervous system (PNS), which consists of nerves and small concentrations of gray matter called ganglia. 2005 Abstract. An alteration in CNS function is related to abnormal impulse transmission and can result in an imbalance of a neurotransmitter. They receive data and feedback from the sensory organs and from nerves throughout the body, The Nervous System Functions of the Nervous System 1. It regulates vital functions, such as  Neurons form the core of the central nervous system, which consists of the brain, spinal cord, and other nerve bundles in the body. The central nervous system, composed of the brain, spinal cord and an extensive neuron network, serves as the control center for all bodily functions. 3. The PNS sends message to and from the The human nervous system has inherited special functional capabilities from each stage of human evolutionary development. In addition to the brain and spinal cord, principal organs of the nervous system include the following: Eyes. The spinal cord is a single structure, whereas the adult brain is described in terms of four major regions: the cerebrum, the diencephalon, the brain stem, and the cerebellum. It f The central nervous system, composed of the brain, spinal cord and an extensive neur The central nervous system or CNS include the brain and spinal cord. The central nervous system consists of the brain and spinal cord. The nervous system is divided into two areas: Central nervous system (CNS) Divisions of the Nervous System 1. To learn how the nervous system functions, you must learn how the nervous system is put together. From this heritage, three major levels of the central nervous system have specific functional characteristics: (1) the spinal cord level, (2) the lower brain or subcortical level, and (3) the higher brain or cortical level. 4, 5 For example, mood disorders affect more than half of all patients with irritable bowel syndrome, 6 with antidepressants being one Central nervous system — or CNS — depression happens when the body’s normal neurological functions slow down. Watch this video about: Brain components. The CNS controls all basic bodily functions and responds to  Abstract. All body sensations are sent by receptors to the central nervous system to be interpreted and acted upon. 2021 The central nervous system derived its name from its primary function, which is to serve as the center of processing information from all  The central nervous system is the core nervous system that serves an integrating and coordinating function. Nerves allow you to maintain awareness of the outside world through your senses and also transmit messages from your brain to your muscles and organs. 4, 5 For example, mood disorders affect more than half of all patients with irritable bowel syndrome, 6 with antidepressants being one The brain is a main organ of the central nervous system (CNS), and the cerebrum is the largest portion of the brain. There are several functions of medulla nuclei. It has the function of relation, since, as the word indicates. The central nervous system (CNS) functions as the processing center for the nervous system. The nerves that go through the whole body make up the peripheral nervous system. The nerves in the rest of your body make up your peripheral nervous system . It can be used to control breathing and blood pressure. Claudia Chaves, MD, is board-certified in cerebrovascular disease and neurology with a subspecial This site offers information designed for educational purposes only. Here is a diagram that you can refer to, while you read about the human nervous system function and parts. Learn about the physiology of the central nervous system, mechanics of neurological assessments, function of spinal nerves, and the sub-divisions of the brain. Polarization is not fixed,  1000-10. They control your body's: Movements; Senses; Thoughts and memories ; They also help control the organs such as your heart and bowels. , normal operation of digestive system; Sympathetic  Normal brain function is not the only thing progesterone is required for in the nervous system. It f the central nervous system, composed of the brain, spinal cord and an extensive neur. They receive data and feedback from the sensory organs and from nerves throughout the  The central nervous system (CNS) is made up of the brain and spinal cord. CNS is composed of the brain (located in the cranial cavity) and the spinal cord (located in the vertebral cavity), which serve as the main control centers for all body activities. Peripheral Nervous System. Explore the function of each part of the central nervous system and The nervous system is the major controlling, regulatory, and communicating system in the body. The nervous system monitors and coordinates internal organ function and responds to changes in the external environment. These  3 mai 2011 The center of the nervous system is the brain. This consists of all other neural elements, including the peripheral nerves and the autonomic nerves. home brain & nervous system centerTopic Guide Central Ne The nervous system functions to process input from sensory receptors, transfer and interpret impulses and to control the functions of body's muscles and or The nervous system functions to process input from sensory receptors, transfer and i The autonomic system is the part of the peripheral nervous system that regulates involuntary body functions including digestion and heartbeat. For example, the eyes are one of the most important sensory organs. The brain is a soft, spongy mass of nerve cells and supportive tissue. Broadly speaking, the nervous system is organised into two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). 1 1. Thus it is often called the central processing unit of the body. The nervous system is responsible for sending, receiving, and interpreting information from all parts of the body. Within this elaborate system of nerves , neurons, and dendrites there is a system that regulates the functions of the  11 Jul 2017 Central Nervous System: The central nervous system is the part of the nervous system in vertebrates, which comprises the brain and spinal cord,  Your peripheral nervous system is made up of the network of neurons that spans your organs, muscles, and body. The nervous system is the body’s inner communication system. The central nervous system is composed of the brain and spinal cord. Functionally, the PNS is further subdivided into two functional divisions; The brain and the spinal cord are the central nervous system, and they represent the main organs of the nervous system. Each half of  25 Nov 2018 The central nervous system (CNS) consists of the brain and spinal cord and has the greatest diversity of functions, ranging from thought to  Central nervous system or CNS is the main command and control centre of the body. A major goal of this well-established textbook is to provide knowledge and understanding of neuroscience as a basis for clinical thinking. It also regulates the release of hormones from the pituitary gland. The peripheral nervous system (PNS) consists of all the rest; it is composed of nerves and ganglia. Our bodies couldn’t operate without the nervous system - the complex network that coordinates our actions, reflexes, and sensations. This consists of the brain and spinal cord. The central nervous system (cns) consists of the brain and the spinal cord. . Parts of the brain have specific functions to retain a dynamic equilibrium of internal conditions. Functions of Neurotransmitters. The nervous system collects the data and then interprets it in a way that the brain can understand and respond. Nervous system controls and regulates the various activities of the body in multicellular organism. Generation & propagation of an action potential These parts and their functions are explained below. The neuron is the functional unit  The Brain and Nervous System. Your brain controls most of the functions of your body, including awareness The main function of the central nervous system is to sense changes in the external environment and create a reaction to them. 1 Review. organ of the central nervous system found within the vertebral cavity and connected with the periphery through spinal nerves; mediates reflex behaviors stimulus an event in the external or internal environment that registers as activity in a sensory neuron tract bundle of axons in the central nervous system having the same function and point of The brain and the spinal cord are the central nervous system, and they represent the main organs of the nervous system. Voluntary and involuntary functions, such as movement, balance, and coordination. The symptoms of a nervous system problem depend on which area of the nervous system is involved and what is causing the problem. These bones protect the CNS when you get into accidents. In this way, the nervous system’s activity controls The nervous system plays a role in nearly every aspect of our health and well-being. The peripheral nervous system: This is the complete collection of nerves outside of the brain and spinal cord. g. The main function of the  The central nervous system (CNS) comprises the spinal cord and brain (Figure 6. This system controls behavior. Central Nervous System. The belief that the  1 Mar 2019 Development of central nervous system (CNS) is regulated by both intrinsic Finally, we discuss the role of gut-brain interactions during  Nerve Cells and Astrocyte (SEM x2,250). org/content/32/3/445 The central nervous system (CNS) is a major organ system affected in type 1 diabetes, as both cerebral glucose and insulin levels are frequently abnormal even  The peripheral nervous system (PNS), which consists of the neurons and parts of neurons found outside of the CNS, includes sensory neurons and motor neurons. Therefore in this way, humans and other animals may be able to coordinate their movements or responses, both consciously and reflexively. It controls sensory perception and homeostatic functions. The nervous system (NS) is structurally broken down into two divisions; Central nervous system (CNS) - consists of the brain and spinal cord. These parts work in tandem to send signals from cell to cell and from body part to body part. DennisKunkel. A person’s conscious experiences are based on The Central Nervous System (CNS) is the most important unit in an organism as it is the ‘centre’ or the hub which instigates information, commands and coordinates and also influences all the other actives within a body. The nervous system is a network of nerves that allows the brain to co-ordinate all your body functions. The nervous system can be divided into several connected systems that function together. Responding to an emergency : part of the nervous system called the sympathetic nervous system makes your heart beat faster and causes you to release adrenaline in an emergency. Alkalemia increases seizure activity. Organization of the nervous system, neuroanatomy, brain organization and the fundamental systems Neurons are the main functional unit of this network. 2013 The CNS is made up of the brain and spinal cord and everything else forms the PNS. Editor’s Note: If you’re having thoughts about self-harm or are feeling suicidal, or if you’re concerned that someone you know may be in danger of hurting themselves, call the National Suicide Prevention Lifeline at 1-800-273-8255. Myelin insulates the nerve and helps the messages get through. In this system the electrical signals are generated in  The ANS has two divisions: Parasympathetic division - important for control of 'normal' body functions, e. 60 or more, seizures may occur in the absence of an underlying epileptic diathesis. The brain plays a central role in the control of most bodily functions, including awareness, movements, sensations, thoughts, speech, and memory. Sensory Neuroscience is the scientific study of the nervous system (the brain, spinal cord, and peripheral nervous system) and its functions. The spinal cord is part of the central nervous system and serves as a kind of superhighway. The potential contribution of bidirectional communication between the gut and central nervous system (CNS) is suggested by high rates of comorbidity between gastrointestinal and psychiatric illnesses. They control all the workings of your body. A person’s conscious experiences are based on The brain is the most important part of the central nervous system responsible for maintaining homeostasis of the human body. The nerve cells take in information throu 4 juin 2019 Functions of the Autonomic nervous system The autonomic nervous system is divided into sympathetic and parasympathetic nervous systems. The Central Nervous System: Structure and Function. Peripheral nervous system. It is the center of all mental activity including thought, learning, and memory. It receives The central nervous system, composed of the brain, spinal cord and an extensive neuron network, serves as the control center for all bodily functions. The Nervous System has three specific functions: Sensory Input - Sensory receptors present in the skin and organs respond to external & internal stimuli by generating nerve impulses that to the central nervous system The central nervous system, composed of the brain, spinal cord and an extensive neuron network, serves as the control center for all bodily functions. The brain and spinal cord are inside your skull and vertebrae (the vertebrae make up your backbone). Learning Targets • Establish the functions of the nervous system. It orders your lungs to breathe and your heart to beat. The brain controls most body functions, including awareness, movements, sensations,  The nervous system receives and sends signals throughout the body to control bodily functions. Gathers information from both inside and outside the body - Sensory Function 2. Central nervous system (CNS). Central nervous system (CNS): Your brain and spinal cord make up your CNS. Damage to the brain can be caused by many things, for example, trauma and ALS. The Central Nervous System #3 The central nervous system consists of the spinal cord and brain. org The nervous system has two main parts: The central nervous system is made up of the brain and spinal cord. 4, 5 For example, mood disorders affect more than half of all patients with irritable bowel syndrome, 6 with antidepressants being one Central nervous system. Forebrain The nervous system subdivides into the central nervous system and the peripheral nervous system. It is responsible for all the information processing. A person’s conscious experiences are based on The brain, spinal cord, and neurons make up the central nervous system, which is integral to a properly functioning human body. The central nervous system: This consists of the brain and spinal cord. Like an all-knowing processing unit, our CNS helps us to sense and understand what is happening around us with the help of our eyes, ears, nose, tongue and skin. Information from receptors passes along neurones, as electrical impulses to co-ordinators such as the central nervous system or CNS. Read these 11 fun facts and learn why it's so important. 2008 They play a role in neurotransmitter activity by bringing the actions of some chemical messengers to a halt by taking up the chemicals. Sensory organs of taste. Through its receptors, the nervous system keeps us in The key function of the central nervous system is integration and coordination. The brain and spinal cord (the CNS) function as the control center. #2 These two components cooperate at all times to ensure our lively functions. It’s made up of the body’s many nerve cells. It can result from substance overdoses, poisoning, or other medical conditions. The strong emphasis on linking basic sciences The nervous system is made up of the central nervous system and the peripheral nervous system: The brain and the spinal cord are the central nervous system. So it relates the functions and stimuli of the different parts of the body through this central system. The CNS take delivery of input from a range of different sources, and implements an appropriate response to the stimuli, in an interconnected manner. Rod Brouhard is an emergency medical technician paramedic (EMT-P), journalist, educator, and Live a Healthy Lifestyle! Subscribe to our free newsletters to receive latest health news and alerts to your email inbox. Sensory information and motor commands travel up and down, heading to and from the brain. The nervous system controls: We can anatomically divide the nervous system into two major regions: the central nervous system (CNS) is the brain and spinal cord, the peripheral nervous system (PNS) is the nerves (Figure 12. Peripheral nervous system: Your peripheral nervous system consists of many nerves That network -- your nervous system -- has two parts: Your brain and spinal cord make up your central nervous system . It controls everything from a sneeze to the rate of your heartbeat. Your central nervous system (CNS) is made up of your brain and your spinal cord, and is one of two parts of your nervous system. Either of a pair of prominent oval structures in the medulla oblongata containing the olivary nuclei. In vertebrates it consists of the brain and  Chronic pain starts when sensors in your muscles (peripheral signals), misfire or malfunction, and your brain and spinal cord adapt improperly to those  Central Nervous System Function in Youth With Type 1 Diabetes 12 care. The vertebrae of the spine encase and protect the soft neural tissue of the spinal cord, just like the skull protects the brain. Facts about Central Nervous System 9: the function of medulla nuclei. The roles it serves are crucial for perceiving and responding to the world around us. The Central Nervous System.

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