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22 June, 22:34

Blood in the heart chambers provides most of the myocardium's oxygen and nutrient needs. True False

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  1. 22 June, 23:49
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    False

    Explanation:

    Myocardium's oxygen and nutrients are provided by coronary arteries. Coronary arteries are outside the heart and they wrap the whole heart to provide oxygen and nutrients.

    Heart needs the continuous oxygen and nutrient supply for proper functioning like any other tissue of body. Any problem in coronary artery will lead to heart problem such as myocardial infarction.

    The blood present inside the heart chambers does not provide any oxygen or nutrients to heart.
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