Biology · Body Fluids and Circulation
Deoxygenated (impure) blood from the heart wall itself is carried into the right atrium primarily by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Coronary veins and Coronary sinus✓
- 2Pulmonary trunk
- 3Pulmonary veins
- 4Pulmonary arteries
Correct answer
Coronary veins and Coronary sinus
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