Human Breathing

2007-04-18 5:18 am

What is the percentage of oxygen, carbon dioxide or other gasses breath and out our body, during breathing ??

more information please

回答 (1)

2007-04-18 10:23 am

✔ 最佳答案

我們吸入的空氣大約是21% oxygen, 78% nitrogen, 0.03% carbon dioxide
呼出的氣體大約是16% oxygen, 80%nitrogen, 4% carbon dioxide

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