"human breath" is correct and usable in written English.
You can use it to refer to the air a person exhales. For example: "I find the smell of human breath to be quite calming."
The paper presents also own research related to developing of tools for human breath analysis.
Practical application of this device is demonstrated by measuring NO in human breath samples.
Therefore, the acetone in human breath can be used to monitor the development of diabetes.
Human breath monitoring provides a lot of information about the condition of the body.
The L-Card, slightly larger than a postage stamp, detects chemicals in human breath.
People worried that germs might be transmitted down the lines, carried on human breath.
Mr. Chihuly once said that glass "is formed from sand, fire and human breath".
In Tour de France (1983), the human breath drives the song, fast, hard and strong.
"As smoking is to human breath, so the stiletto is to a woman's stride".
Above — my human breath creates no stirring air and leaves its total surface undisturbed.
Blanchet, L. et al. Factors that influence the volatile organic compound content in human breath.
