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| 1. |
Write a detailed note on nervous tissuea |
| Answer» The cells of nervous tissue are highly specialized and the cells of this tissue are called nerve cells or\xa0neurons.\tNervous tissue stimulates and transmits the stimulus very rapidly from one place to another within the body.\tThe brain, spinal cord and nerves are composed of the nervous tissue.\tA neuron consists of a cell body which comprises of nucleus and cytoplasm, from which long thin hair-like parts arise.\tThe neuron has a single long part, called the axon, which transmit the nerve impulse to body parts.\tThe neuron has short, branched parts called dendrites.\tMany nerve fibers combine together by connective tissue and form a nerve.\tNerve impulse enables animals to move rapidly in response to stimuli. | |