Question
What is implantation? Where does it take place? Mention the structure involved and its function.

Answer

Implantation is the process by which the zygote attaches to the uterus for development. It occurs at uterus.
The structure involved is placenta which is a disc shaped tissue with numerous villi.
Its main function is:
  • To transport oxygen and glucose from mother to foetus.
  • To transport excretary products from baby to mother's blood.

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