2 Answers

Somethingwhatever · Answer 1 · 2021-04-16T09:56:47+0000

Answer:

oxygen is used by human in the process of cellular respiration

Step-by-step explanation:

because cells uses oxygen to break down sugar

Lsalamon · Answer 2 · 2021-04-21T02:52:33+0000

Answer:

Humans use Oxygen or O2 to begin the process of cellular respiration, and then when this process is finished it gives of carbon dioxide or Co2

Step-by-step explanation:

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