Question

(iii) What happens to the lining of uterus?
(e) before release of fertilised egg?
(f) if no fertilisation occurs ?
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Answer 1

Answer:

(iii) What happens to the lining of uterus?

(e) before release of fertilised egg?

(f) if no fertilisation occurs ?

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Answer 2

Explanation:

(i) The inner lining of the uterus becomes thick and soft with a lot of blood capillaries before the release of a fertilized egg.

(ii) If no fertilization occurs then the thick uterus lining breaks down along with its blood vessels in the form of vaginal bleeding called menstrual flow.