The placenta is an important structure for the development of a foetus

Human Physiology (10)

The placenta is an important structure for the development of a foetus.

Give biological explanation.

Answer

• Transport of oxygen / digested foods / hormones / antibodies from maternal blood to foetal blood/nutrients /glucose etc.
• Elimination of nitrogenous wastes / carbon dioxide from foetal blood to maternal blood./urea, uric acid, creatinine
• Secretes oestrogen and progesterone
• Acts as a barrier to germs.