Question

What is placenta and implantation

Answer 1

placenta is main thing which connect mother to her baby for transportation of oxygen and blood

Answer 2

Answer:

(i) Implantation: The embedding  of a fertilised mammalian egg (embryo) into the inner thick wall of the uterus (womb) where it will continue its development is called implantation.

(ii) Placenta: It is a complex double-layered spongy vascular tissue in human female formed by the joint activity of maternal and foetal tissues in the wall of uterus that is meant for attachment, nourishment and waste disposal for the foetus.