The ectoderm folds over to form the
A) neural tube.
B) lungs.
C) heart.
D) brain.
Correct Answer:
Verified
Q1: Fertilization usually takes place in the
A) uterus.
B)
Q2: The mesoderm will become the
A) nervous system
Q3: As early as the third month of
Q4: The umbilical cord rarely tangles during pregnancy
Q5: The trophoblast
A) develops into the nervous system
Q7: Lanugo
A) permits food and oxygen to reach
Q8: The _ surrounds the amnion.
A) placenta
B) yolk
Q9: The groundwork is laid for all body
Q10: Which of the following statements about a
Q11: The ovum
A) measures around 1/500 inch.
B) is
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