Question

what are muscles? Explain their functions.​

Answer 1

Answer:

The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.

Explanation:

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Answer 2

Answer:

a muscle is a group of muscle tissue which contract together to produce force.

Explanation:

function:- muscle allow a person to move,speak and chew.

they control heartbeat, breathing and digestion.