The __________ produces blood cells until the developing liver, spleen, and bone marrow are mature enough to take over this function.
A) amnion
B) chorion
C) placenta
D) yolk sac
Correct Answer:
Verified
Q24: Lanugo appears over the entire body during
Q25: During the third month of pregnancy,
A) the
Q26: The germinal period lasts
A) for about 13
Q27: During the second month of pregnancy, the
Q28: The thin outer ring of cells on
Q30: The _ becomes the new organism.
A) embryonic
Q31: During Zola's third month of pregnancy, she
Q32: Tiny fingerlike villi
A) emerge from the chorion.
B)
Q33: The most rapid prenatal changes take place
Q34: Mel wonders when he will be able
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