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SVETLANKA909090 [29]
3 years ago
12

Describe how muscles make movement

Chemistry
1 answer:
slamgirl [31]3 years ago
4 0

Answer:

Muscles move body parts by contracting and then relaxing. Muscles can pull bones, but they can't push them back to the original position. So they work in pairs of flexors and extensors. The flexor contracts to bend a limb at a joint.

Explanation:

Hope it helps

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