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Sagot :
Final answer:
Coronary arteries carry blood to the heart; Systole is heart contraction, diastole is relaxation; Cardiac veins empty into the right atrium for oxygenation.
Explanation:
True. The coronary arteries carry oxygenated blood to the heart muscle.
True. Systole is when the heart contracts, while diastole is when it relaxes.
Function: Blood from the cardiac veins empties into the right atrium of the heart to deliver deoxygenated blood from the heart muscle back into circulation, ensuring oxygen supply to the heart muscle itself.
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