Bone-dissolving cells are known as..........

Visceral muscles are also called

The dark bands in a myofibril are due to the presence of:

In the mechanism of muscle contraction or shortening of muscle,the . . . . . . get reduced whereas the . . . . . . retain the length.

Which of the following is not a characteristic feature of the biceps muscle?

During muscle contraction,$(P)$ get reduced whereas $(Q)$ retain the length. Here $P$ and $Q$ are $-$