Question

explain the Menstruation cycle in girls​

Answer 1

Answer:

Menstrual blood flows from the uterus through the small opening in the cervix and passes out of the body through the vagina. Most menstrual periods last from 3 to 5 days.

Answer 2

Explanation:

1. the ovary releases the egg every month.
2. the uterus also prepares itself to receive the egg.
3. thus, the uterus wall become thick and spongy.
4. when the egg is not fertilised the wall breaks down and come out of the body through vagina as blood and mucos.

this process is called as menstruation