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

In rabbits,the pigmented connective tissue is present in the.....

The bone of mammals contains Haversian canals which are connected by transverse canals known as

Analogy type questions:
$(1)$ Active site for actin is present on the tail of myosin / head of myosin.
$(2)$ Movement of body parts in living organisms is induced / spontaneous.

Bones act as a reservoir of which mineral salts?

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