3.11 Placenta

Role of Placenta

-  When the child is in the uteris, they cannot digest or breath or excrete. The child obtain nutrition by the umbilical cord of the placental structure growing out of the embryo. 


- The blood vessel inside the placenta are the child blood's vessel include arteries and veins.


-  The placenta grows into the wall of the Uterus of the mother. During pregnancy, the mother continues to eat which means that there will be amino acids, glucose and fats in the blood which will cross through into the childs blood at the placenta then taken into the child. 


- To make this efficient, the Placenta have a large surface and a thin barriers


- The baby then produces molecules back to the mother, which is things like carbon dioxide and urea.