In the egg of a bird, the embryo is located in the
...In the egg of a bird, the embryo is located in the
Chalaza
Yolk
Albumen
Airspace
Correct answer is B
Special temporary organs or embryonic membranes form within the egg, both to protect the embryo and to provide for its nutrition, respiration, and excretion. These organs include the yolk sac.
The yolk sac is also responsible for the initial circulation and is in charge of delivering nutrients, via a primitive aorta, to the developing embryo through a process called vitelline circulation.
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