Multiple Choice
Which of the following is true of these vascular structures: coronary sinus,pulmonary artery,umbilical arteries,and venae cavae? They all
A) are found exclusively in the fetal circulation.
B) carry unoxygenated blood.
C) are attached directly to the heart.
D) are color-coded red.
Correct Answer:

Verified
Correct Answer:
Verified
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