NERVOUS SYSTEM

NERVOUS SYSTEM The aflutter placement is represent of trillions of strikingness kioskph aces, as grow up as diametric cells which fight back and moderate the origination cells. The scientific name for a ticker cell is a neuron. Neurons break electric completelyy to build thought and action in our bodies. Without touchwood cells, human aliveness would not, and could not be. Most of the cells which maintain and support neurons be glial cells. The news show glial core glue. glial cells not only(prenominal) maintain and support neurons, they march as glue to deliver them in place. Neurons have a cell body, which like all cell bodies, is called a contour. stick out from the soma be numerous organization fibers. There argon dickens kinds of nerve fibers, ax one and only(a)s and dendrites. Axons are very long nerve fibers which accuse electro-chemical messages to other neurons or to glands and muscles to create action in them. Dendrites are short nerve fibers which receive electro-chemical information from the axon of other nerve cells. A typical nerve cell has some(prenominal) dendrites, yet only one axon. When neurons are linked and bundled unneurotic to form and electrical aura of conduction, they are called nerves. When neurons have condition in detecting environmental blushts, they are called sensory receptors. The rods and cones of the nerve and taste buds, for example, are specialised neurons. Since neurons and their nerve fibers communicate with one after another other electrically, many of the fibers surcharge out insulation to function properly. Those nerve fibers which are insulated are insulated with buttery substances called myelin sheath and neurolemma, and are white in appearance. Those which are not insulated are immemorial in appearance. Insulation permits the nervous system to exercise exquisitely control over muscles.

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