Blood rich in oxygen and nutrients is transported from the placenta to the fetus by the
A) umbilical artery.
B) umbilical vein.
C) ductus venosus.
D) ductus arteriosus.
E) foramen ovale.
Correct Answer:
Verified
Q1: The symptoms of fetal alcohol syndrome include
A)
Q3: Muscle contractions of the uterine wall and
Q4: The foramen ovale is an opening that
Q5: Dizygotic twins result from the combination of
A)
Q6: During the early stages of pregnancy,the hormone
Q7: The external reproductive organs can be distinguished
Q8: Teratogens are substances that
A) stimulate embryonic growth.
B)
Q9: The fetal stage of development begins at
Q10: Development is a continuous process during which
Q11: The postnatal period extends from
A) the fertilized
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