Reproduction System
Science

Menstrual cycle explained in an easy to understand way.
Menstrual cycle
The changes in the female reproductive system where an ovary releases an egg and the uterus prepares to receive it menstrual cycle. The menstrual cycle is a monthly process where a womans body prepares for pregnancy by developing an egg and lining the uterus.

The tube from the uterus to outside the body, it is part of the female reproductive system
Vagina
The tube from the uterus to outside the body is part of the female reproductive system vagina. The vagina is the muscular canal that connects the uterus to the outside of the body, serving as the birth canal and a passage for menstrual flow.