Question

describe the structure
and function of p l a c e n t a

Answer 1

it is the composite structure of the embryonic and maternal tissue that supply nutrients to the embryo.
it serves the three main functions :-
1. nutrition :- food material pass form the mothers bloods to foetal blood through placenta.
2.digestion :- the triploblast of the placenta digest ppotein before passing them through foetal blood.
3. respiration :- througb placenta the oxygen pass from the maternal blood to foetal blood and carbon dioxide form the foetal blood to maternal blood.