hopebouchard hopebouchard

22-01-2021
Chemistry

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Describe how muscles make movement

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MalluRider MalluRider

22-01-2021

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.

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