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How does Embryo get nourishment inside t...

How does Embryo get nourishment inside the mother's body?

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After fertilisation, zygote is formed which developed embryo. The embryo is attached with uterus walls. This is called implantation. The embryo gets nutrition m the mother.s blood with the help of a special tissue led placenta. Placenta is a disc-which is embedded in the wall. It contains villi on the embryo.s side of the sue. On the mother.s side there are blood spaces, which fround the villi. This provides a large surface area for and oxygen to pass from the mother to the embryo. this way, embryo gets its nutrition.
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