Question

which uterine layer is composed of smooth muscle?
a.) stratum functionalis
b.) myometrium
c.) stratum basalis
d.) perimetrium

Explanation:

The myometrium is the middle layer of the uterus. It is composed of smooth muscle tissue. This layer is responsible for the contractions of the uterus during childbirth and menstruation. The stratum functionalis and stratum basalis are layers of the endometrium (the inner lining of the uterus). The perimetrium is the outer serous layer of the uterus.

Answer:

B. Myometrium