Because it can respire anaerobically, without oxygen.
Hope this helps!
Something that requires a lot of energy, such as active transport, as more mitochondria means more respiration.
They are important because so people do not get sickness
Explanation:
Mitochondria are cell organelles that are found in all human body cells except mature red blood cells. These organelles with a double membrane are the location in which cellular respiration occurs.
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