Coronary sinus opens into which of the following chambers of the heart

Left atrium

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Right atrium

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Left ventricle

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Right ventricle

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Solution

The correct option is B Right atrium
Heart muscles are supplied with oxygenated blood by a network of blood vessels that form coronary circulation. It begins with coronary artery in the left ventricle and ends as coronary sinus in the right atrium.

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