In a relationship, there are benefits or rewards for both partners. They each gain something from eachother by being together,
Body composition is used to describe the percentages of bone, water, fat, and muscle in human bodies.
They produce oocytes (eggs) for fertilization and they produce the reproductive hormones, estrogen and progesterone. ... In the ovary, all eggs are initially enclosed in a single layer of cells known as a follicle, which supports the egg.
