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