Nervous System

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by jmasonshorter
Last updated 4 years ago

Discipline:
Science
Subject:
Biology
Grade:
7,8,9,10

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Nervous System

The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body.

From your brain and spinal cord your nerves are woven into ur muscle and skin. This is what helps you feel and taste the things you see. Nerves are important for servival and for those who don't have other sense. Nerves have saved lives in all creatures.

SashaRamirez7th-Grade

Nervous System

The nervous system is responsible for doing all of the body's movements. It controls the maintenance of normal functions and the body's ability to respond to emergencies.

It consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS).

The nervous system contains two main categories or types of cells: neurons and glial cells.The nervous system has three general functions: a sensory function, an interpretative function and a motor function.

The organs invloved in the nevous system are the five senses-eyes,skin,mouth,ears,and nose. Also the brain,spinal cords and of course nervous.

Neurons have special structures that allow them to send signals rapidly and accuratlly to other cells. Electrochemical waves traveling along thin fibers called axons, which cause chemicals called neurotransmitters to be released at junctions called synapses.

At the cellular level, the nervous system has neurons also known as "nerve cells."

The brain is a mush of nerves that control our functions and behaviours. The spinal cord about 45 cms long,acts as a message pathway between the brain and the rest of the body.

Sensory nerves gather information from inside the body and the outside environment. The nerves then carry the information to central nervous system.Sensory information brought to the CNS is processed and interpreted.Motor nerves convey information from the CNS to the muscles and the glands of the body.


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