The part of the female reproductive system that is shed during menstruation is the:
a. myometrium
b. mucosa of the vagina
c. functional zone of the endometrium
d. tunica albuginea
e. germinal epithelium

Option C.

Explanation:

The female reproductive part consist of endometrium which is the inner epithelial layer with a mucous membrane in the uterus.

Endometrium functions as basic layer during the period of menstruation.

In female reproductive part, an egg is released from ovary around every fourteenth day in a cycle depending on hormonal changes that makes the endometrium layer thick. endometrium lining provides nutrients to an embryo after implantation, when the egg does not get fertilized, the endometrium lining shed during menstruation along with some blood vessels.

Hence, the correct answer is option C.

activation of phospholipase c (plc) indirectly increases intracellular ions through inositol triphosphate (ip3).