Respuesta :

MuhammadSaravia99

Answer:

All cells in our body need oxygen to create energy efficiently. When the cells create energy, however, they make carbon dioxide. We get oxygen by breathing in fresh air, and we remove carbon dioxide from the body by breathing out stale air.

Explanation:

alozno8107

Answer:

well you breath to live and you need oxygen to breath because... oxygen is apart of what our lungs need to help you breath

Explanation:

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