Science, asked by rampedduri57, 2 months ago

4. The muscles work in pairs to cause movement.

Answers

Answered by kalamadhu366

5

Skeletal muscles only pull in one direction. For this reason they always come in pairs. When one muscle in a pair contracts, to bend a joint for example, its counterpart then contracts and pulls in the opposite direction to straighten the joint out again.

Answered by kartikchauhan0307

0

Answer:

True

Explanation:

when we smile 100 and 7 muscles are moved in a pair.

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