At what stage of pregnancy does an embryo show a beating heart and a complete central nervous system?
A) 8 weeks
B) 12 weeks
C) 16 weeks
D) 20 weeks
E) 24 weeks
Correct Answer:
Verified
Q15: The neural tube develops into the
A)umbilical cord.
B)liver
Q16: Which of the following increases the risk
Q17: The process by which maternal nutrient intake
Q18: What name is given to the time
Q19: What is the placenta?
A)An organ from which
Q21: The amount of vitamin D needed in
Q22: Which of the following nutrients are required
Q23: For the normal-weight woman, weight gain ideally
Q24: Which of the following is a feature
Q25: Of the following nutrient needs, which is
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