How do skeletal muscles enable us to move? A. by pushing and relaxing the bone B. by contracting the muscles and pulling the bone C. by pushing the muscles and contracting the bone D. by contracting and pushing the bone
chougod877
A. This is the explanation-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.
Answers & Comments
Answer:a
Explanation:
Answer:
letter b
Explanation:
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