Question

How do muscles help in movements?

Answer 1

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.

Answer 2

→Answer & 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..