Question

The figure shows a foetus in the uterus. Define implantation.

Answer 1

Answer :

i) In humans, implantation is the stage of pregnancy at which the embryo adheres to the wall of the uterus.

ii) At this stage of prenatal development, the conceptus is called a blastocyst.

iii) It is by this adhesion that the embryo receives oxygen and nutrients from the mother to be able to grow.