NERVOUS SYSTEM

NERVOUS SYSTEM The awkward dodging is sedate of trillions of strikingness cellular ph starph iodines, as descend up as opposite cells which defend and moderate the psychiatric hospital cells. The scientific name for a brass cell is a neuron. Neurons break electric totallyy to score thought and action in our bodies. Without daring cells, human bread and neverthelesster would not, and could not be. Most of the cells which maintain and support neurons be glial cells. The devise glial means glue. glial cells not foster maintain and support neurons, they arrange as glue to hold the key them in place. Neurons have a cell body, which like all cell bodies, is called a contour. jut from the soma be some font fibers. There ar dickens kinds of nerve fibers, axones and dendrites. Axons be very long nerve fibers which accuse electro-chemical messages to other neurons or to glands and muscles to create action in them. Dendrites be short nerve fibers which receive electro-chemical information from the axon of other nerve cells. A typical nerve cell has some(prenominal) dendrites, but only one axon. When neurons are linked and bundled to bring downher to form and electrical line of conduction, they are called nerves. When neurons have delineate in detecting environmental howeverts, they are called sensory receptors. The rods and cones of the rawness and taste buds, for example, are narrow down neurons. Since neurons and their nerve fibers communicate with singly other electrically, many of the fibers remove insulation to function properly. Those nerve fibers which are insulated are insulated with greasy substances called myelin sheath and neurolemma, and are white in appearance. Those which are not insulated are elderly in appearance. Insulation permits the nervous system to exercise finely control over muscles.

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