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Nervous system- The nervous system is composed of all nerve tissues in the body. The functions of nerve tissue are to receive stimuli, transmit stimuli to nervous centers, and to initiate response. The central nervous system consists of the brain and spinal cord and serves as the collection point of nerve impulses. Sensory neurons have their cell bodies. Motor neurons have their cell bodies in the spinal cord.
Muscular system- The Muscular system is compose of musscle all round the body. There are three distinct types of muscles: skeletal muscles, cardiac or heart muscles, and smooth muscles. Muscles provide strength, balance posture , movement and heat for the body to keep warm. A sprain is an injury to a ligament that involve a stretching or a tearing of this tissue while a strain is an injury to either a muscle that can result in a partial or complete tear.