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OpenStudy (anonymous):
why is oxygen is needed in cellular respiration?
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OpenStudy (shane_b):
This question is probably more pertinent to the Biology group
OpenStudy (anonymous):
Because your cells burn glucose to get energy. By "burn" I mean chemically react with oxygen.
hero (hero):
Because cells are organisms too. They need to breathe just like we do. Oxygen, cells, and blood, at every level for all organisms is essential for life.
OpenStudy (trancenova):
Hello! This question is a biology question not a physics question so it is now closed. Please ask questions in the correct group :)
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