Question

How does the embryo get nourishment inside the mother's body? What is the placenta?

Answer 1

Placenta:

1. The placenta is a disc-shaped tissue.
2. It is embedded in the uterine wall.
3. The placenta provides nourishment from the mother’s blood to the embryo.
4. The placenta contains villi on the side of the embryo and blood vessels surrounding the villi on the mother's side.
5. The placenta receives glucose and oxygen from the mother through the placenta.
6. Removal of wastes also takes place in the mother’s blood through the placenta.
7. The placenta contains many blood vessels.
8. These blood vessels allow the exchange of nutrients and gases between the mother and the developing fetus.
9. It produces several important hormones during pregnancy.
10. The placenta is formed by cells which are originated from the fetus
11. It is the first of the fetal organs to develop.