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The extraembryonic membrane involved in gas exchange (and forms part of the placenta in mammals) isगैस विनिमय में सहायक बाह्य-भ्रूणीय झिल्ली (जो स्तनधारियों में अपरा का निर्माण करती है)?

Chorion
जरायु / कोरियोन (Chorion)
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This question belongs to the set "Top 100 Zoology Questions: Animal Kingdom and Developmental Biology". Click below to read detailed notes and attempt the full quiz.

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