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Why Does Menstruation Occur? - CBSE Class 10 - Science

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Question

 Why does menstruation occur?

Solution

Menstruation is a process in which blood and mucous flows out every month through the vagina. This process occurs every month because one egg is released from the ovary every month and at the same time, the uterus (womb) prepares itself to receive the fertilized egg. Thus, the inner lining of the uterus gets thickened and is supplied with blood to nourish the embryo. If the egg does not get fertilised, then the lining of the uterus breaks down slowly and gets released in the form of blood and mucous from the vagina.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 10 (2019 to Current)
Chapter 8: How do Organisms Reproduce?
Q: 6 | Page no. 141

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Solution Why Does Menstruation Occur? Concept: Reproduction in Human Beings.
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