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Describe in brief the structure and the functions of the placenta in human beings

Posted by Vipin Semwal 5 years, 10 months ago

CBSE > Class 10 > Science

2 answers

Varun Saini 5 years, 10 months ago

Role of placenta 1. placenta act to provide oxygen and nutrition to embryo. 2. It remove wastage material; CO2 from baby' s body . 3.Placenta attach to the wall of uterus and baby's umbilical cord arises from it.

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Yogita Ingle 5 years, 10 months ago

Placenta is a special tissue connection between embryo and uterine wall. It acts as an endocrine gland.
Role of placenta:

It possesses villi that increase the surface area for absorption of nutrients.
Facilitates passage of nutrition and oxygen to embryo from mother through blood.
Waste substances produced by embryo are removed through placenta into mother’s blood.

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CBSE > Class 10 > Science