Multiple Choice
Which statement about prenatal development of the heart is TRUE?
A) By 6 weeks, the heart has developed into its basic adult structure.
B) At 12 weeks, the heart begins to beat and circulate blood.
C) By 4 weeks, the heart is beating and circulating blood.
D) At 16 weeks, the heart develops into its basic adult structure.
Correct Answer:

Verified
Correct Answer:
Verified
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