12. Why does the lining of uterus become thick and spongy every month ?
Answers
Answered by
7
Answer:
to protect foetus and to help in fertilization....
Answered by
2
Answer:
th lining of the uterus thickens to provide nourishment to the fertilized egg after the occurrence of fertilization of male sperm and female ovum
Explanation:
when the fertlization doesn't occur, it sheds its lining in the form of fluid called menses for a period of 4-5 days and this process is called menstruation
Similar questions