If the thick mucus could be diluted into a more WATERY consistency, it would be wafted upward by the tiny hairs in the windpipe, bronchioles, and the lungs. Coughing would not occur.
如果稠密的黏液可以被稀释成低浓度的,气管、细支气管和肺中的细毛就都能把它向上推送,咳嗽就不会发生。
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More severe cases may be treated with a CPAP machine, so named because they maintain constant positive air pressure to the windpipe to help users breathe easy at night.