Yolk sac produces the fetus”s blood and germ cells | Homework Help

 True or False:  1. When your body produces a hormone it can be used for only one response action with one specific cell.

2. When a human fetus is developing the: amnion encloses the embryo, the allantois forms the umbilical cord, the chorion develops into the placenta and the yolk sac produces the fetus’s blood and germ cells.

3. If you are absolutely sure that you and your “significant other” do not want any, or more children, the most effective form of birth control is a vasectomy

4. The hormones estrogen and progesterone control the menstrual. When these hormones decrease the endometrium in the uterus begins to slough away causing bleeding in the menstrual cycle.

5. The frogs in my pond, well all frogs really, do not actually mate. The male gets behind the female and squeezes her until she releases eggs in the water. After this the male frog releases sperm in the water to fertilize the eggs. Since the frogs do not actually have sexual intercourse, this is called “asexual reproduction”.