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Allushta [10]
3 years ago
8

What do we breathe out? What is the percentage of oxygen and carbon dioxide in our exhaled air?

Biology
2 answers:
olga nikolaevna [1]3 years ago
8 0
We breathe out carbon dioxide it’s percentage in exhaled air is about 4%-5% by its volume
emmasim [6.3K]3 years ago
8 0
1. We breathe out CARBON DIOXIDE
2. Consequently, we exhale 16% of oxygen and 4% carbon dioxide
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