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99.9 % is removed via the blood - i.e. via the umbilical cord ...

where the mother clears the blood.

A tiny amount (via the kidneys) ends up in the uterine fluid surrounding the fetus.

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14y ago

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What is the structure which exchanges substances between mother and fetus?

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The organ that provides mechanical protection and nutritional support for the developing embryo is the?

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Is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake waste elimination and gas exchange?

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