Answer: yolk sac
explanation:
the placenta does not develop for a long time so the alternate way of supplying the developing embryo is through the yolk sac which the embryo can receive nutrients and respiratory gas exchange through which the placenta will be formed later.
C because the arrows are pointing away from them (brainless??)
We inherit
23 from dad
23 from mom
so altogether we inherit 46 chromosomes from our parents.
with love, the Pineapple. <3
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