Question

Give a brief account on placenta and its functions.

Answer 1

Hint: The Placenta is a structure formed during the embryonic development of a baby or during the gestation period of a woman. It is a defining characteristic of placental mammals. It is also known as the structural or functional unit of connection between the developing embryo and the pregnant female.

Complete answer:
As it forms the connection between the female and the foetus, it provides the nutrients, antibodies, oxygen, and hormones.
It protects the foetus from any diseases.
It also gives rise to the umbilical cord which is an essential part of foetus development.
The placenta acts as a waste remover. It removes all the metabolic wastes that are formed in the foetus and acts as a transporting unit and transports substances from mother to foetus and vice versa.
1. Placenta is an interdigitated structure formed during pregnancy in the uterus of a woman.
2. The transfer of substances between the foetus and the mother is by the processes of simple, facilitated, or active diffusion.
3. The placenta is a physical link between the parent and the foetus, it is formed by
4. The placenta can also protect the foetus against a few certain diseases.
5. Placenta is a temporary organ that is ejected or removed out of the body through the vagina soon after the baby is delivered.


Note:
Placental expulsion happens in the 3rd stage after birth, where placental ejection. In this, the placenta is expelled out of the body within the half an hour of the delivery. Thus placenta is a temporary organ. It is a physical link between the mother and the foetus.