Question

WHAT IS PLACENTA?WHAT IS ITS ROLL?

Answer 1

Hii.

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HERE IS YOUR ANSWER..

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■ Placenta is an organ which is found in the mammals during the development of foetus.

■ It has many functions but its main role is in secreting hormones which are essential for the foetal development.

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Answer 2

The placenta is a special umbilical cord that develops in the fourth week of pregnancy. It establishes an intimate connection between the foetal membrane and the uterine wall.

The function of placenta:

The exchange of materials between the mother’s blood and the blood of foetus takes place through the placenta. It serves as a nutritive, respiratory and excretory organ of the foetus.