Fill in the blanks:(a) Joints of the bones help in the ——————— of the body.(b) A combination of bones and cartilages forms the _______ of the body.(c) The bones at the elbow are joined by a ______________ joint.(d) The contraction of the _____________ pulls the bones during movement.

(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.

1. movement
2. skeleton
3. hinge
4. muscle