Question

4.The contraction and relaxation of the
pulls the bones during movement.​

Answer 1

Answer:

(a) Joints of bones help in the movement of body. (b) A combination of bones and cartilages forms the skeleton of the body. (c) Bones at the elbow are joined by a hinge joint. (d) The contraction of the muscle pulls the bones during movement.

Explanation:

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Answer 2

Answer:

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Explanation:

The contraction of the muscle pulls the bones during movement.