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THE NERVOUS SYSTEM The nervous and hormonal systems co-ordinate various biological activities in the body of multicellular animals, the basic structural unit of nervous system is the nerve cell called neurone. It consists of a dense, cell body and protoplasmic processes called nerve fibres. A bundle of long nerve fibre is called a nerve. The […]
HUMAN BRAIN – FUNCTIONS AND MAJOR PARTS OF THE HUMAN BARIN The Central Nervous System (CNS) consists of the brain and the spinal cord. The CNS co-ordinates body activities by receiving impulses from sensory cells from different parts of the body. It then sends the impulses to the appropriate effectors. The brain is enclosed […]
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