The __________ surrounds the amnion.
A) placenta
B) yolk sac
C) chorion
D) umbilical cord
Correct Answer:
Verified
Q3: As early as the third month of
Q4: The umbilical cord rarely tangles during pregnancy
Q5: The trophoblast
A) develops into the nervous system
Q6: The ectoderm folds over to form the
A)
Q7: Lanugo
A) permits food and oxygen to reach
Q9: The groundwork is laid for all body
Q10: Which of the following statements about a
Q11: The ovum
A) measures around 1/500 inch.
B) is
Q12: The _ secretes hormones that prepare the
Q13: The yolk sac
A) delivers food and oxygen
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