Question

what is the role of muscles in the movement of bones ?​

Answer 1

Answer:

Muscles are attached to the bones with help of Tendons which is a strong and a rigid connective tissue.

So when we are moving our muscules we actually move the respective bone attached to that bone.

Hope it is clear.

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Answer 2

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. Then, when the movement is completed, the flexor relaxes and the extensor contracts to extend or straighten the limb at the same joint. 

Hope it helps........