Question

describe the formation of placenta during pregnancy.​

Answer 1

Answer:

The placenta is a vital connecting organ between the maternal uterus and the foetus.

It supports the developing foetus, in utero, by supplying nutrients, eliminating waste products of the foetus and enabling gas exchange via the maternal blood supply.

In this article, we shall look at the development of the placenta.

Explanation:

hope it helps you..

Answer 2

Answer:

The development of the placenta begins during implantation of the blastocyst. The 32-64 cell blastocyst contains two distinct differentiated embryonic cell types: the outer trophoblast cells and the inner cell mass. The trophoblast cells form the placenta. The inner cell mass forms the foetus and foetal membranes