3,What is the menstrual cycle? Write a note on it.

1.	3,What is the menstrual cycle? Write a note on it.
Answer» Ans :- The menstrual cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible. The first period usually begins between twelve and fifteen years of age, a point in time known as menarche. Usually, one egg is released from an ovary every month. Before the egg is released, theliningof the uterus becomes thick and spongy to prepares for a fertilised egg. It is full of tiny blood vessels, ready to supply the embryo with food and oxygen if it should arrive. If the egg is not fertilised, it is dead by the time it reaches the uterus. Is does not sink into the spongy wall, but continues onwards, down through the vagina. As the spongy lining is not needed now ---> it gradually disintegrates and is slowly lost through the vagina. This is called menstruation, or period and it last for about 5 days.

Answer»

Ans :- The menstrual cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible. The first period usually begins between twelve and fifteen years of age, a point in time known as menarche.

Usually, one egg is released from an ovary every month. Before the egg is released, theliningof the uterus becomes thick and spongy to prepares for a fertilised egg. It is full of tiny blood vessels, ready to supply the embryo with food and oxygen if it should arrive.

If the egg is not fertilised, it is dead by the time it reaches the uterus.

Is does not sink into the spongy wall, but continues onwards, down through the vagina.

As the spongy lining is not needed now ---> it gradually disintegrates and is slowly lost through the vagina.

This is called menstruation, or period and it last for about 5 days.

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