Question

Micturition occurs due to
1) relaxation of smooth muscles of the bladder
and contraction of the urethral sphincter
2) contraction of smooth muscles of the
bladder and relaxation of the urethral
sphincter
3) contraction of striated muscles of the
bladder and relaxation of the urethral
sphincter
4) relaxation of striated muscles of the bladder
and contraction of the urethral sphincter
Substances like sterols, hydrocarbons and wax
are eliminated by the secretion of
1) Scent glands of skin
2) Sweat glands of skin
3) Sebaceous glands of skin
4) Sudoriferous glands of skin​

Answer 1

Answer:

2) contraction of smooth muscles of the

bladder and relaxation of the urethral

sphincter.

Sebaceous glands of skin.

Answer 2

Answer:

2) contraction of smooth muscle of the bladder and Relaxation of the urethral sphincter.

3) sebaceous gland of the skin