During the third week of development,which two systems begin to develop?
A) Nervous and digestive systems
B) Respiratory and lymphatic systems
C) Nervous and cardiovascular systems
D) Muscular and urinary systems
Correct Answer:
Verified
Q46: The heart begins as two tubes that
Q47: The completion of a functioning placenta marks
Q48: Which hormone functions to maintain the corpus
Q49: The gender of the individual is determined
Q50: The umbilical arteries carry
A)waste and carbon dioxide
Q52: Failure of the superior neural tube to
Q53: During the eighth and ninth months,
A)the testes
Q54: A woman is clinically pregnant when fertilization
Q55: The umbilical cord contains
A)the fetal intestine.
B)two umbilical
Q56: At the placenta,
A)oxygen enters the fetal circulation.
B)nutrients
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