Nervous System: What It Is, Parts, Function & Disorders - Cleveland Clinic
The three main parts of your nervous system are your brain, spinal cord and nerves. It helps you move, think and feel. It even regulates the things you do but don’t think about like digestion.
What are the parts of the nervous system? - NICHD
2018年8月9日 · The nervous system has two main parts: The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
Overview of the nervous system: Structure and function | Kenhub
2023年11月3日 · Neurons, or nerve cell, are the main structural and functional units of the nervous system. Every neuron consists of a body (soma) and a number of processes (neurites). The nerve cell body contains the cellular organelles and is where neural impulses (action potentials) are generated.
Human Nervous System (Structure, Function & Parts) - BYJU'S
One of the most complex organ system to ever evolve, the human nervous system consists of two parts, namely: Central Nervous System (consists of the brain and spinal cord) Peripheral Nervous System (includes all the nerves of the body)
Nervous System (Human Anatomy): Functions, Organs, Diseases - WebMD
2023年5月12日 · Fibers called nerves carry important messages back and forth between your body and your brain. That network -- your nervous system -- has two parts: Your brain and spinal cord make up...
Nervous System - The Definitive Guide | Biology Dictionary
2021年2月10日 · Nervous System Parts. The anatomy of the nervous system in humans consists of the brain and spinal cord, along with the primary sense organs and all the nerves associated with these organs. The brain and the spinal cord form the central nervous system (CNS). All other neuronal tissue is brought under the umbrella of the peripheral nervous ...
The Nervous System: an introduction, classification, and function
2023年4月27日 · Motor Nervous System —carries information from the CNS to organs, muscles, and glands. Somatic Nervous System —controls skeletal muscle as well as external sensory organs. Autonomic Nervous System —controls involuntary muscles, such as smooth and cardiac muscle. Sympathetic —control activities that increase energy expenditures.
Nervous System - Definition, Parts, Functions - Biology Notes …
2024年9月24日 · In vertebrates, the nervous system consists of two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS comprises the brain and spinal cord, while the PNS primarily consists of nerves, which are bundles of long fibers called axons. These nerves connect the CNS to every other part of the body.
Visual Guide to Your Nervous System - WebMD
2023年8月27日 · Made up of billions of nerve cells called neurons, your nervous system is what lets you do everything from breathe to walk to dream. It has two main parts: the central nervous system, which...
Overview of the Nervous System - The Merck Manuals
The nervous system has 2 distinct parts: the central nervous system (the brain and spinal cord) and the peripheral nervous system (the nerves outside the brain and spinal cord). The basic unit of the nervous system is the nerve cell (neuron).