Tj789
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its hardworking it needs energy does it get it by respiration, by the coronary arteries supplying oxygenated blood and then it uses that o2 for respiration for energy?
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Chlorophile
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(Original post by Tj789)
its hardworking it needs energy does it get it by respiration, by the coronary arteries supplying oxygenated blood and then it uses that o2 for respiration for energy?
Yes. The coronary arteries supply oxygen (and glucose) to the heart via blood and they use them to respire, just like all other cells.
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Tj789
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(Original post by Chlorophile)
Yes. The coronary arteries supply oxygen (and glucose) to the heart via blood and they use them to respire, just like all other cells.
always aerobic?
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Chlorophile
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(Original post by Tj789)
always aerobic?
All cells are capable of anaerobic respiration (as far as I know) but under normal function, respiration in the cardiac muscle will be mainly aerobic. Cardiac muscle will only respire anaerobically if it has no other choice, since aerobic respiration is a lot more efficient than anaerobic respiration, and excessive anaerobic respiration releases lactic acid which, if it builds up, could cause angina (apparently).
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noobynoo
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It's made of cells which are living organisms and can move. Cells are fed with nutrients and oxygen from the blood. It is coordinated by electronic impulses.
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