Did you know?
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Nearly all of our cells have mitochondria, but cells with greater energy demands have more.⠀
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For this reason, organs like our heart, tongue (pictured) and brain have higher concentrations of mitochondria.⠀
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Similarly, athletes who train regularly tend to have a larger quantity of mitochondria in their muscles, due to higher energy expenditure.⠀
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It goes to show how important these little power houses are to our bodies and our energy supply.⠀

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