Correct Answer: Option C
Explanation:
The placenta is a temporary organ formed by both fetal (chorion) and maternal (endometrium) tissues. It facilitates the exchange of oxygen, nutrients, and waste products between mother and fetus, and produces hormones (e.g., hCG, progesterone). The umbilical cord connects the fetus to the placenta. The amnion surrounds the embryo.
This question belongs to:
Science
Biology
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