Long bones function as ........

Which is not the function of the endoskeleton?

In children,the bones are more flexible and less brittle because their bones have:

$A$ femur is kept in dilute $HCl$ for three days,it becomes

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$(a)$ Scapula	$(i)$ Cartilaginous joints
$(b)$ Cranium	$(ii)$ Flat bone
$(c)$ Sternum	$(iii)$ Fibrous joints
$(d)$ Vertebral column	$(iv)$ Triangular flat bone

Choose the correct answer from the options given below.

Analogy type questions:
$(1)$ Carpals : $8$ :: Tarsals : ...........
$(2)$ Cartilaginous joints : Between vertebrae of the vertebral column :: Hinge joint : ...........