Multiple Choice
Martina is pregnant with her first child. She wonders how the embryo receives nourishment and rids itself of carbon dioxide and other wastes. You can tell Martina that the _____ performs this function.
A) placenta
B) amniotic sac
C) umbilical cord
D) zygote.
Correct Answer:

Verified
Correct Answer:
Verified
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Q4: The behaviors, attitudes, and personality traits that
Q5: and Mrs. Cotter are the parents of
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Q12: Universal moral principles are to the _
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