{"id":286223,"date":"2024-08-06T14:58:15","date_gmt":"2024-08-06T09:28:15","guid":{"rendered":"https:\/\/www.aakash.ac.in\/blog\/?p=286223"},"modified":"2024-08-13T13:02:44","modified_gmt":"2024-08-13T07:32:44","slug":"nervous-system-what-it-is-parts-functions-disorders","status":"publish","type":"post","link":"https:\/\/www.aakash.ac.in\/blog\/nervous-system-what-it-is-parts-functions-disorders\/","title":{"rendered":"Nervous System: What it is, Parts, Functions &#038; Disorders"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">The nervous system is like the body&#8217;s command center, overseeing everything from basic functions to complex actions. It helps us move, think, feel, and react to the world around us. By sending and receiving messages, it keeps our body in harmony and adapts to changes.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The nervous system is one of the most important systems in our body. Understanding it can give you a deeper appreciation for how your body works and how incredibly interconnected everything is. This article talks about details of the nervous system, types of nervous system, its <a href=\"https:\/\/www.aakash.ac.in\/important-concepts\/biology\/sense-organs\">organs<\/a>, functions, the process of communication and much more.\u00a0<\/span><\/p>\n<h2><strong>What is a Nervous System?<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">The nervous system is like the body&#8217;s communication network. It helps you sense the world around you, think, feel emotions, and make decisions.<\/span><\/p>\n<p><strong>It\u2019s made up of two main parts:<\/strong><\/p>\n<h3><b>Central Nervous System (CNS)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">This includes the brain and the spinal cord. Think of it as the control center. The brain processes information and makes decisions, while the spinal cord acts like a highway, sending messages between the brain and the rest of the body.<\/span><\/p>\n<h3><b>Peripheral Nervous System (PNS)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">This consists of all the nerves outside the CNS. These nerves connect the CNS to other parts of the body, like your arms, legs, and organs. The PNS is like the network of roads that connect your control center to different destinations.<\/span><\/p>\n<h3><b>Components of the Nervous System<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Part<\/b><\/td>\n<td><b>Subpart<\/b><\/td>\n<td><b>Function<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Central Nervous System (CNS)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Brain<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Thought, emotion, behavior, sensory perception, cognition<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Cerebrum<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Voluntary activities<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Cerebellum<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Muscle coordination, posture, balance<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Brainstem<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Involuntary functions (heart rate, breathing)<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Spinal Cord<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Transmit sensory and motor signals<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Peripheral Nervous System (PNS)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Somatic Nervous System (SNS)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Voluntary movements<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Autonomic Nervous System (ANS)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Involuntary functions<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Sympathetic Nervous System<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fight or flight response<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">Parasympathetic Nervous System<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rest and digest r<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>Types of Nervous Systems<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Different types of nervous systems help your body work together smoothly, from managing what you do on purpose to handling automatic processes you don\u2019t even think about.<\/span><\/p>\n<p><b>Here are the types of nervous systems, such as:<\/b><\/p>\n<h2><strong>Central Nervous System (CNS)<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">The Central Nervous System is like the main control center of the body. It includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Brain:<\/b><span style=\"font-weight: 400;\"> This is the command center where all the thinking, planning, and processing happens. It controls everything from breathing to remembering your favorite song.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Spinal Cord:<\/b><span style=\"font-weight: 400;\"> Think of it as a big, thick cable that connects the brain to the rest of the body. It helps send messages back and forth between the brain and other parts of the body.<\/span><\/li>\n<\/ul>\n<h2><strong>Peripheral Nervous System (PNS)<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">The Peripheral Nervous System is like a network of roads branching out from the Central Nervous System. It includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sensory Nerves<\/b><span style=\"font-weight: 400;\">: These nerves pick up information from your senses, like touching something hot or seeing a bright light. They send this information to the CNS.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Motor Nerves<\/b><span style=\"font-weight: 400;\">: These nerves take instructions from the CNS and send them out to your muscles, telling them how to move. For example, they help you pick up a book or kick a ball.<\/span><\/li>\n<\/ul>\n<h2><strong>Autonomic Nervous System (ANS)<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">The Autonomic Nervous System controls things that happen automatically, without you having to think about them. It has two main parts:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sympathetic Nervous System:<\/b><span style=\"font-weight: 400;\"> This part gets your body ready to handle stress or danger. It\u2019s like the \u201cfight or flight\u201d response. For example, if you\u2019re scared, your heart might race and you might start sweating.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Parasympathetic Nervous System:<\/b><span style=\"font-weight: 400;\"> This part helps your body relax and return to normal after stress. It\u2019s like the \u201crest and digest\u201d response. It slows your heart rate and helps with digestion.<\/span><\/li>\n<\/ul>\n<h2><strong>Somatic Nervous System<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">The Somatic Nervous System controls voluntary movements. It\u2019s what lets you move your muscles on purpose. When you decide to wave your hand or stand up, the somatic nervous system is at work.<\/span><\/p>\n<h2><strong>Enteric Nervous System<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">The Enteric Nervous System is sometimes called the \u201csecond brain\u201d because it controls the digestive system.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It manages things like stomach contractions and digestive juices without needing instructions from the brain. It works automatically to help break down food and absorb nutrients.<\/span><\/p>\n<h2><strong>List of Nervous System Organs<\/strong><\/h2>\n<p><b>Here are some key organs and parts of the nervous system:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Parts<\/b><\/td>\n<td><b>Subparts<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Brain<\/b><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cerebrum:<\/b><span style=\"font-weight: 400;\"> The largest part of the brain, responsible for thinking, memory, and movement.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cerebellum<\/b><span style=\"font-weight: 400;\">: Helps with balance and coordination.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Brainstem: <\/b><span style=\"font-weight: 400;\">Controls basic functions like breathing and heartbeat.<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><b>Spinal Cord<\/b><\/td>\n<td><span style=\"font-weight: 400;\">A long, thin tube that runs down your back, connecting the brain to the rest of the body.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Nerves<\/b><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sensory Nerves: <\/b><span style=\"font-weight: 400;\">Carry information from your senses (like touch, sight, and smell) to the brain.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Motor Nerves:<\/b><span style=\"font-weight: 400;\"> Send instructions from the brain to your muscles, telling them how to move.<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><b>Neurons<\/b><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Dendrites:<\/b><span style=\"font-weight: 400;\"> Receive messages from other neurons.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Axons:<\/b><span style=\"font-weight: 400;\"> Send messages to other neurons.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Synapses:<\/b><span style=\"font-weight: 400;\"> Tiny gaps between neurons where messages are passed along.<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><b>Meninges<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Protective layers of tissue that cover the brain and spinal cord.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Cerebrospinal Fluid<\/b><\/td>\n<td><span style=\"font-weight: 400;\">A clear fluid that cushions and protects the brain and spinal cord.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>What are the Functions of a Nervous System?<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">The nervous system gathers information from the environment, processes it, and sends instructions to the body to respond.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Here are the main functions of a nervous system<\/strong>:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sensing:<\/b><span style=\"font-weight: 400;\"> Gathers information from the environment through senses like sight, touch, and sound.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Processing<\/b><span style=\"font-weight: 400;\">: Interprets and makes sense of the information collected.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Responding: <\/b><span style=\"font-weight: 400;\">Sends instructions to muscles and organs to react appropriately.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Controlling Movements<\/b><span style=\"font-weight: 400;\">: M\u00a0 nages voluntary actions like walking and talking.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Regulating Automatic Functions<\/b><span style=\"font-weight: 400;\">: Controls involuntary actions like heartbeat and digestion.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Maintaining Homeostasis<\/b><span style=\"font-weight: 400;\">: Keeps the body\u2019s internal environment stable, such as temperature and fluid balance.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Learning and Memor<\/b><span style=\"font-weight: 400;\">y: Enables learning new things and storing memories.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Emotions:<\/b><span style=\"font-weight: 400;\"> Helps you experience and express feelings.<\/span><\/li>\n<\/ul>\n<h2>Nervous System Parts and Functions<\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>Parts<\/b><\/td>\n<td><b>Functions<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Brain<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Controls thinking, memory, movement, and basic body functions.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Spinal Cord<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Sends messages between the brain and the rest of the body.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Sensory Nerves<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Collect information from the senses and send it to the brain.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Motor Nerves<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Carry instructions from the brain to the muscles.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Neurons<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Transmit messages throughout the nervous system<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Dendrites<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Receive messages from other neurons.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Axons<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Send messages to other neurons.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Synapses<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Gaps where neurons pass messages to each other.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Meninges<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Protect the brain and spinal cord.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Cerebrospinal Fluid<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Cushions and protects the brain and spinal cord.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>How Does Nervous System Work?<\/strong><\/h2>\n<p><strong>The nervous system works by sending and receiving messages throughout the body. Here\u2019s a simple explanation of how it works:<\/strong><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sensing:<\/b><span style=\"font-weight: 400;\"> Your body picks up information from the environment through your senses. For example, your eyes see, your skin feels, and your ears hear.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sending Signals: <\/b><span style=\"font-weight: 400;\">Sensory nerves carry this information to the brain and spinal cord.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Processing<\/b><span style=\"font-weight: 400;\">: The brain processes this information and decides what to do. For instance, if you touch something hot, the brain quickly realizes it and decides you should move your hand away.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Responding<\/b><span style=\"font-weight: 400;\">: The brain sends instructions back through motor nerves to your muscles.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Action:<\/b><span style=\"font-weight: 400;\"> Your muscles receive the instructions and react, like moving your hand away from the hot object.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">This whole process happens very quickly, in just a fraction of a second, allowing you to react almost instantly to changes around you.\u00a0<\/span><\/p>\n<h2><strong>Central Nervous System\u00a0<\/strong><\/h2>\n<p><strong>The Central Nervous System (CNS) is the control center of your body. It consists of two main parts:<\/strong><\/p>\n<h3><b>Brain<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cerebrum:<\/b><span style=\"font-weight: 400;\"> The largest part, responsible for thinking, memory, and voluntary movements.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cerebellum:<\/b><span style=\"font-weight: 400;\"> Helps with balance and coordination.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Brainstem:<\/b><span style=\"font-weight: 400;\"> Controls basic life functions like breathing, heartbeat, and digestion.<\/span><\/li>\n<\/ul>\n<h3><b> Spinal Cord<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A long, thin tube that runs down your back.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It connects the brain to the rest of the body, sending messages back and forth.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The CNS processes information from your senses, makes decisions, and sends instructions to your muscles and organs. It\u2019s essential for everything you do, from simple reflexes to complex thoughts.<\/span><\/p>\n<h2><b>Disorders of the Nervous System<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Disorders of the nervous system can have profound effects on an individual&#8217;s quality of life. These disorders can result from genetic factors, infections, injuries, degeneration, structural defects, tumors, or systemic diseases.<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Alzheimer&#8217;s Disease<\/b><span style=\"font-weight: 400;\">: A progressive neurodegenerative disorder that leads to memory loss, cognitive decline, and personality changes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Parkinson&#8217;s Disease<\/b><span style=\"font-weight: 400;\">: A degenerative disorder affecting movement control, characterized by tremors, stiffness, and bradykinesia (slowness of movement).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Multiple Sclerosis (MS)<\/b><span style=\"font-weight: 400;\">: An autoimmune disease where the immune system attacks the protective sheath (myelin) of nerve fibers, causing communication problems between the brain and the rest of the body.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Epilepsy<\/b><span style=\"font-weight: 400;\">: A disorder characterized by recurrent seizures caused by abnormal electrical activity in the brain.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Migraine<\/b><span style=\"font-weight: 400;\">: A neurological condition that can cause multiple symptoms, most notably intense headaches, often accompanied by nausea, vomiting, and sensitivity to light and sound.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Stroke<\/b><span style=\"font-weight: 400;\">: Occurs when the blood supply to part of the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Amyotrophic Lateral Sclerosis (ALS)<\/b><span style=\"font-weight: 400;\">: A progressive neurodegenerative disease affecting nerve cells in the brain and spinal cord, leading to loss of muscle control.<\/span><\/li>\n<\/ol>\n<h2><strong>Nervous System FAQs<\/strong><\/h2>\n\t\t<div class=\"wp-faq-schema-wrap\">\n\t\t\t\t\t\t<div class=\"wp-faq-schema-items\">\n\t\t\t\t\t\t\t\t\t<h3>Q1. What is the nervous system?<\/h3>\n\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<p>The nervous system is a network in your body that controls everything you do, from moving and breathing to thinking and feeling.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<h3>Q2. What are the main parts of the nervous system?<\/h3>\n\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<p>The main parts are the brain, spinal cord, and nerves.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<h3>Q3. What does the brain in a nervous system do?<\/h3>\n\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<p>The brain is the control center that processes information, makes decisions, and controls your movements and thoughts.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<h3>Q4. How do nerves work in a nervous system?<\/h3>\n\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<p>Nerves carry messages to and from the brain and spinal cord to the rest of the body.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<h3>Q5. What are sensory nerves?<\/h3>\n\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<p>Sensory nerves collect information from your senses (like touch, sight, and smell) and send it to the brain.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<h3>Q6. What are the functions of the nervous system?<\/h3>\n\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<p>The nervous system is responsible for sensory input, integration of data, motor output, homeostasis, and mental activity such as thought, memory, and learning.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<h3>Q7. What is the difference between the CNS and the PNS?<\/h3>\n\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<p>The CNS consists of the brain and spinal cord, which process and send out information. The PNS connects the CNS to the rest of the body and includes the somatic nervous system, which controls voluntary movements, and the autonomic nervous system, which regulates involuntary functions.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<h3>Q8. How can nervous system disorders be treated?<\/h3>\n\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<p>Treatment varies depending on the disorder but may include medication, physical therapy, lifestyle changes, and in some cases, surgery. Early diagnosis and intervention are crucial for managing symptoms and improving quality of life.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n","protected":false},"excerpt":{"rendered":"<p>The nervous system is like the body&#8217;s command center, overseeing everything from basic functions to complex actions. It helps us move, think, feel, and react to the world around us. By sending and receiving messages, it keeps our body in harmony and adapts to changes.\u00a0 The nervous system is one of the most important systems [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":286232,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7860],"tags":[9072,9071,9070],"class_list":["post-286223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-important-concept","tag-disorders-of-nervous-system","tag-functions-of-nervous-system","tag-nervous-system"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nervous System: What it is, Parts, Functions &amp; Disorders<\/title>\n<meta name=\"description\" content=\"The nervous system is one of the most important systems in our body. 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