Which of these statements is true?
a. the left coronary artery is a branch of the left pulmo...
Which of these statements is true?
a. the left coronary artery is a branch of the left pulmonary vein.
b. the coronary sinus returns blood to the left atrium.
c. the coronary arteries arise from the pulmonary trunk.
d. the great cardiac vein collects blood from the anterior surface of the heart.
e. the pulmonary arteries carry blood to the left atrium
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