What are the forelimbs of a chimpanzee adapted for?what are they adapted for in humans

Explanation:

The forelimb of a chimpanzee is adapted for climbing trees and swinging fr branch to branch.

The forelimb of a human is adapted for grasping associated with opposable thumb.

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

a. to encourage apoptosis