The Coronary Sinus Drains the ________ into the ________

Question

The coronary sinus drains the ________ into the ________.
A) coronary arteries; left ventricle
B) cardiac veins; right atrium
C) interventricular artery; left ventricle
D) right atrium; right ventricle
E) cardiac vein; right ventricle

Accepted Answer

The coronary sinus is a vein that drains deoxygenated blood from the cardiac veins into the right atrium of the heart. Therefore, option B, cardiac veins draining into the right atrium, is the correct answer.