The structure that allows both oxygen and nutrients to pass into the foetus from the mother's bloodstream and bodily wastes to pass out to the mother's bloodstream is the

Question

Quizplus · Accepted Answer

The placenta is an organ that develops during pregnancy and connects the developing fetus to the uterine wall to allow for the exchange of nutrients, oxygen, and waste products between the mother's blood and the developing fetus's blood. The uterine wall is the muscular lining of the uterus and does not allow for such exchange. The zygote is the initial stage of development after fertilization and cannot facilitate the exchange of substances between the mother and fetus. A proximodistal organ refers to the developing limbs and indicates a direction of development rather than a structure that allows for exchange of substances.

The Structure That Allows Both Oxygen and Nutrients to Pass