Foetal circuculation

Question 1

what delivers nutrients, site of gas exchange, foetal haemoglobin, hormone production, IgG transport and PGE2 to foetus

Answer 1

placenta

Question 2

how is foetal circulation different from adult circulation

Answer 2

placenta
lungs fluid filled, unexplained
no role of liver or gut

Question 3

what carries deoxygenated blood from foetal heart to placenta for oxygenation

Answer 3

umbilical arteries