In human females, each time during maturation and release of egg the inner wall of uterus thickens. Is this thickening permanent? Give reasons

In human female, the fertilized eggs gets implanted in uterus

Name and explain the role of inner and middle walls of the human uterus.

In human females, yolk sac which is the embryonic layer becomes non-functional in the later part of the gestation period. Give reason.

In figure, a square is inscribed in a circle of diameter d and another square is circumscribing the circle . Is the area of the outer square four times the area of the inner square ? Give reason for your answer.

Assertion (A): Endometrium is a mucosal tissue made up of two layers. Reason (R): It is a inner lining of the uterus. Each month it thickens and renew itself, preparing for pregnancy.

For approximately how long during the human female’s menstrual cycle, progesterone concentrations are high enough to maintain the uterus in a proper condition for pregnancy?