Question
What is placenta? Describe its two major functions.
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Answer
Placenta: A specialized tissue embedded in the uterine wall.It contains villi on embryo side and blood spaces which surround villi on the mother’s side.
- Functions: Provides large surface area for glucose/nutrients and $O _2$ to pass from the mother to the embryo.
- Wastes generated by foetus are transferred into the mother’s blood for their removal.
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