What does the ectoderm become?
A) digestive system, liver, lungs, and pancreas
B) skin, nails, hair, teeth, sensory organs, and nervous system
C) muscles, skeleton, circulatory system, and internal organs
D) salivary glands, respiratory system, and muscles
Correct Answer:
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Q30: When serious defects occur during the embryonic
Q31: What percentage of all conceptions abort spontaneously,
Q32: When does the neural tube form?
A) during
Q33: Which factor can be involved in the
Q34: What is a greasy material that protects
Q36: Eileen is pregnant with her first child.
Q37: The neural tube develops into the _.
A)
Q38: Which term means a fine, down-like hair
Q39: During the last 3 months of pregnancy,
Q40: During the last 3 months of pregnancy,
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