Q.1 What are muscles ? or defination of muscles .

Q.2 What functions do muscles perform?

For definition of muscles, kindly refer to your friend's answer.

Function of muscles: Muscles help in the movement of different body parts. Movement is caused by the contraction and relaxation of muscles. When one muscle contracts, the other relaxes and this causes displacement.

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A bundle of fibrous tissue in a human or animal body that has the ability of contracting and producing movement in the body is called muscle.

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