MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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empties deoxygenated blood from coronary arteries into right atrium
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empties deoxygenated blood from coronary arteries into left atrium
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supplies the heart muscle with oxygenated blood
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It is in the skull and frequently is infected.
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Detailed explanation-1: -The coronary sinus empties directly into the right atrium near the conjunction of the interventricular and coronary grooves (also known as the crux cordis area) [7], located on the inferior region of the right atrial septum between the inferior vena cava and tricuspid valve [8].
Detailed explanation-2: -Coronary sinus drains the blood from most of the heart muscle and empties in the right atrium posteriorly, close to the opening of the tricuspid valve.
Detailed explanation-3: -The function of the coronary sinus is to drain the venous blood from the majority of the heart. It opens into the right atrium between the opening of inferior vena cava, the fossa ovalis and the right atrioventricular orifice.
Detailed explanation-4: -Coronary veins are responsible for draining deoxygenated blood from the myocardium into the cardiac chambers.