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Explain the role of placenta in …

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Explain the role of placenta in the development of human embryo

Posted by P B Pujari 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Gaurav Seth 5 years, 2 months ago

1)’ Placenta is a tissue formed by the cells from the embryo and the mother.
2) It is formed at around 12 weeks of pregnancy and becomes an important structure
for nourishment of the embryo. ’
3) Placenta is a disc which is embedded in the uterine wall. It contains villi on the embryo’s side of the tissue.
4) On the mother’s side are blood spaces, '
5) This provides a large surface area for diffusion of glucose, oxygen and other nutrients from the mother of the embryo.

1Thank You

Anshika Pandey 5 years, 2 months ago

Placenta flushes out nitrogenous waste from feotus blood

0Thank You

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CBSE > Class 10 > Science