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Answered

how do our muscles work
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Sagot :

RRANKRISHNAIN

Answer:

Muscles are attached to bones by tendons and help them to move. When a muscle contracts (bunches up), it gets shorter and so pulls on the bone it is attached to. When a muscle relaxes, it goes back to its normal size. Muscles can only pull and cannot push.

CHESKAENRIQUEZ6IN

Answer:

It grows when we are sweating because of tiredness (not sure) or it grows when we go to gym and workout it grows