$ATPase$ enzyme needed for muscle contraction is located in

What do ligaments connect?

The Achilles tendon is associated with which of the following muscles?

Give scientific reasons: Striated muscles get fatigued rapidly.

During muscular contraction,which of the following events occur?
$(a)$ $'H'$ zone disappears
$(b)$ $'A'$ band widens
$(c)$ $'I'$ band reduces in width
$(d)$ Myosin hydrolyzes $ATP$,releasing the $ADP$ and $\Pi$
$(e)$ $Z$-lines attached to actins are pulled inwards
Choose the correct answer from the options given below.

Globular head with a short arm and a tail are the two important parts of