Biology, 19.11.2020 02:30 micahmereus100

Why is oxygen important to humans? * A. It is the only gas in Earth's atmosphere.
B. Our cells require oxygen gas to break down the food we consume and provide the
energy we need to live.
C. It's not important - humans can breathe in multiple gasses for energy.

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Why is oxygen important to humans? * A. It is the only gas in Earth's atmosphere.
B. Our cell...