The _____ of an embryo differentiates into the nervous system and the skin.
A) mesoderm
B) ectoderm
C) endoderm
D) periderm
Correct Answer:
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Q6: Which of the following is true of
Q7: Which of the following is true of
Q8: Megan is pregnant and wants to know
Q9: What function does amniotic fluid perform?
A)It facilitates
Q10: Which of the following is true of
Q12: Which of the following is true of
Q13: In a normal pregnancy,the fetus turns in
Q14: Amenorrhea is a _ sign of pregnancy.
A)presumptive
B)probable
C)positive
D)negative
Q15: Which of the following is true of
Q16: Which of the following is true of
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