Why do animals need to take in oxygen?

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Oxygen burns the food within their bodies and releases energy for various activities and thus it helps animal to be alive.
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Teacher

Animals need oxygen to survive. In fact, all organisms need oxygen to complete the process to burning glucose for fuel. It's purpose is to bring oxygen into your body. One of the products of cellular respiration is carbon dioxide.
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For energy production...
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Tuitions for KG to VI standard

Do perform respiration
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Tutor

Animals need oxygen to survive. Not just animals, but plants & human beings too. Just like we need oxygen to breathe, animals too need oxygen to breathe.
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to use it in respiration!
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Enriching experience of 8 yrs in teaching

Animals need oxygen (O) to survive. In fact, all organisms need oxygen to complete the process to burning glucose for fuel.
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Computer Wizard

Animals need to breathe to get oxygen. Oxygen burns the food within their bodies and releases energy for various activities.
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Teaching

Animals need to breathe to get oxygen. Oxygen burns the food within their bodies and releases energy for various activities.
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Animals need to take in oxygen to survive & exists as usually we human and various other living creatures do for their survival & existence on the earth
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