Multiple Choice
When first formed,the embryo consists of three layers of cells.These separate layers eventually form
A) the brain,spinal cord,and nerves.
B) the fetus,the placenta,and the umbilical cord.
C) the fetus,the placenta,and a supply of nutrients.
D) all the tissues and organs of the body.
Correct Answer:
Verified
Correct Answer:
Verified
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Q3: Which of the following is not a
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Q6: Which of the following is the best
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Q9: What is organogenesis and during which period
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Q11: Children exposed to moderate or low levels
Q12: The perinatal period begins about<br>A) the first