Write the structure and function of placenta in a human female.
Structure:- It is disc like embedded in the uterine wall of the females. It has villi on the embryo's side and on the mother are blood capillaries which surround the villi.
FUnction :- By this structure, this provides a very large surface area for the exchange of glucose and oxygen. Also the waste generated by the embryo goes into the mother's blood by this tissue.