How the exchange of waste material …

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How the exchange of waste material take place in new born child?

Posted by Lucifer?? Morningstar?? 5 years, 6 months ago

CBSE > Class 10 > Science

2 answers

~Rashi ♥️♥️ 5 years, 6 months ago

Hiii sanket

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Meghna Thapar 5 years, 6 months ago

The embryo gets nutrition from the mother’s blood with the help of a special tissue called placenta.

Placenta is a disc like special tissue which develops between the uterus wall and the embryo after implantation. Its function is the exchange of nutrients, oxygen and waste products between the embryo and the mother. It contains villi on the embryo’s side of the tissue. On the mother’s side are blood spaces, which surround the villi. This provides a large surface area for glucose and oxygen to pass from the mother to the embryo. The developing embryo will also generate waste substances which can be removed by transferring them into the mother’s blood through the placenta.

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Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science