(a) facilitates supply of oxygen and nutrients to embryo(b) secretes oestrogen(c) facilitates removal of carbon dioxide and waste material from embryo(d) secretes oxytocin during parturition[NEET 2013]
Correct Option (d) Reason : Pituitary secretes oxytocin during parturition. The functions of placenta are supply of oxygen and nutrients to embryo. It aslo secretes estrogen, facilitates removal of carbon dioxide and waste materials from embryo.