Question

C. State whether the following statements are true or false:
1. We breathe in carbon dioxide.​

Answer 1

Answer:

yes we breath but we need oxygen so it's false

Explanation:

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Answer 2

Answer:

Normally, humans breathe in air that is approximately 20.95% oxygen, 78.09% nitrogen, 0.93% argon, and 0.04% (400 ppm) of carbon dioxide. Like CO2, oxygen also dissolves in the lungs and is transported to the blood via diffusion across the lung tissue (alveoli). yes we breathe in Carbon dioxide but we need oxygen also.

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