Biology, asked by aisworyaswain102030, 1 month ago

extra embryonic membrane in birds

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Answered by Liam450

There are four standard extraembryonic membranes in birds, reptiles, and mammals: the yolk sac which surrounds the yolk, the amnion which surrounds and cushions the embryo, the allantois which among avians stores embryonic waste and assists with the exchange of carbon dioxide with oxygen as well as the resorption of ...

Answered by ashokvermatci

Explanation:

There are four standard extraembryonic membranes in birds reptiles and mammals the yolk sack which surrounds and cushions the embryo the Atlantis which among asians stores embroyanic waste and assists with the exchange of carbondioxi with oxygen's as well as the resorption of ...

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