Question

what is menstruation? ​

Answer 1

Answer:

• A period happens because of changes in hormones in the body. Hormones are chemical messengers. The ovaries release the female hormones estrogen and progesterone . These hormones cause the lining of the uterus (or womb) to build up.

Answer 2

Answer:

hii

Explanation:

on the 28th days of menstrual cycle blood ,mucus,ovum and Rupture cells of endometrium comes out in the form of menstrual secretion which is known as mensuration.