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Write the information you got from your ...

Write the information you got from your teacher about role of different parts in development of embryo.
Chorion,placenta,amnion,alantois are the embryonic membranes.Write their functions in a tabular form.

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(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 contain villi on the embryo's side are blood spaces.
(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.
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VGS PUBLICATION-BRILLIANT-REPRODUCTION THE GENERATING SYSTEM-CREATIVE QUESTIONS FOR NEW MODEL PAPER (2 MARK QUESTIONS)
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