Question

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Why Oxygen is needed for Living beings?
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Answer 1

Answer:

Most living things need oxygen to survive. Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive.

Explanation:

❥ꜱᴀʀᴄᴀꜱᴛɪᴄʙᴀʟɪᴋᴀ~

Answer 2

Answer:

Oxygen is required for human beings because it is the only gas we can breathe XD