The ductus venosus is a fetal vessel that transports blood from the umbilical vein to the
A) umbilical artery.
B) aorta.
C) inferior vena cava.
D) superior vena cava.
Correct Answer:
Verified
Q33: The placenta is composed of tissues from
Q34: The fetal blood that passes through the
Q35: The placental membrane is composed of
A)the embryonic
Q36: A pregnant woman wants to know the
Q37: Some reproductive tumors produce hormones. One sign
Q39: A blastomere is a _ and a
Q40: Teratogens are substances that
A)stimulate embryonic growth.
B)cause congenital
Q41: The period of preactive dying takes
A)up to
Q42: Repair enzymes correct
A)the degeneration of collagen and
Q43: Which of the following provides the main
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