Regarding placenta
Regarding placenta Correct Answer Exchange of oxygen & nutrients occurs in tertiary villi, HCG is the first hormone released by placenta, It is a source of haematopoietic stem cells of the faetus
Regarding placenta Correct Answer Exchange of oxygen & nutrients occurs in tertiary villi, HCG is the first hormone released by placenta, It is a source of haematopoietic stem cells of the faetus