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Question
Which of the following structures serves as a lung, digestive tract and kidney for the developing embryo?
Options
Placenta
Endometrium
Amnion
Liver
MCQ
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Solution
Placenta
Explanation:
The placenta acts as a lung by exchanging gases, a digestive tract by absorbing nutrients, and a kidney by filtering waste for the developing embryo. It performs these functions because the embryo’s organs are not fully developed yet and depend on the placenta for these vital roles.
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