What are the primary inorganic components of bone?

What is the secretion of the sebaceous gland?

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

Match Column $I$ with Column $II$.

Column $I$	Column $II$
$(a)$ Smooth muscle	$(i)$ Myoglobin
$(b)$ Tropomyosin	$(ii)$ Thin filament
$(c)$ Red muscle	$(iii)$ Sutures
$(d)$ Skull	$(iv)$ Involuntary

Study the following sentences:
$I.$ The accumulation of pyruvic acid in the muscle causes fatigue.
$II.$ $ATP$ is resynthesized in the muscle by the phosphorylation of $ADP$ by a phosphogen.
$III.$ Cori cycle involves muscles and liver.
$IV.$ The phosphogen in the vertebrate muscle is arginine phosphate.
The correct set of statements regarding muscle contraction is:

Rigor Mortis was first noticed in