Question

Which one of the following is not the function of placenta? It

• A. Facilitates supply of oxygen and nutrients to embryo.
• B. Secretes estrogen.
• C. Facilitates removal of carbon dioxide and waste material from embryo.
• D. Secretes oxytocin during parturition.

Answer 1

Answer: (D)

Secretes oxytocin during parturition.

The major function of placenta is to provide the nutrition to the growing embryo and facilitates the removal of carbon dioxide and waste products by diffusion. The placenta also secretes estrogen however, not oxytocin. Oxytocin is a hormone secreted by posterior pituitary gland during parturition. Thus, the correct answer is option (D), 'Secretes oxytocin during parturition.'