In human females, each time during maturation and release of egg the inner wall of uterus thickens. Is this thickening permanent? Give reasons for your answer
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Explanation:
The thickening of the inner wall of the uterus is not permanent. It is built up after the release of a matured egg from the ovary. If fertilization does not take place the thickening along with the unfertilized egg is discharged out from body through the vagina. This process is called menstruation.
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what do you mean by fertilization
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