Which of the following statements 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
Q45: Which sense is LEAST stimulated in the
Q46: How have scientists concluded that fetuses prefer
Q47: The protects the fetus from bumps and
Q48: The fetal behavior of swallowing is thought
Q49: Which of the following statements about the
Q51: Cephalocaudal development refers to the tendency for
Q52: In general, prenatal development occurs in such
Q53: The placental membrane allows to pass through
Q54: Habituation involves of the heart rate.
A)stability
B)unpredictability
C)acceleration
D)deceleration
Q55: Which of the following statements about the
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