Question

The following diagram represents the vertical sectional view of the human female reproductive system.

How does the uterus prepare for the reception of zygote?

Answer 1

Oestrogen secreted by the corpus luteum secrets oestrogen. Oestrogen stimulates the thickening of the endometrial wall of the uterus. The uterine wall becomes thickened and is supplied with a lot of blood to receive the fertilized egg.