It helps make the hair grow faster and gives it nutrients
<span>Selective breeding is the process of breeding plants and animals for particular traits.</span>
<span>macromolecule, cell, tissue, organ, organ system</span>
Human chorionic gonadotropin (hCG) is secrete by the embryo early in pregnancy to keep the corpus luteum for dying. This positive feedback will maintain the corpus luteum, which secretes Progesterone and Estrogens throughout pregnancy, in order to keep the endometrium well to nourish the embryo/fetus.
