Question

3.
What is menstruation? Explain.​

Answer 1

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Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle. Every month, your body prepares for pregnancy. If no pregnancy occurs, the uterus, or womb, sheds its lining. The menstrual blood is partly blood and partly tissue from inside the uterus.

Answer 2

Menstruation:

The bleeding from the uterus which occurs in a woman, every month (if the egg cell has not been fertilised) is called Menstruation or Menstrual Flow.

$\longrightarrow$When fertilisation does not occur, then the egg released by the ovary dies within a few days and the thick lining breaks down. Since, the thick uterus lining contains a lot of blood vessels, therefore, the breaking down of uterus lining produces blood alongwith other tissues.

• It occurs once in about 28 to 30 days.

• It is also known as 'periods' or 'menses'.