Weibels Classification
Bronchospasms
Cold stimulates Vagus nerve
Vagus nerve stimulation releases Acetyl Choline
Effects of Autonomic Transmitters on Airways
Cold Air Causes Exercise Induced Bronchospasm
When the air is very dry and cold, as in the winter, it is more difficult for the body towarm. When cold air hits the airways, the lungs react by tightening. Cold air contains less moisture, and breathing it in can dry out the airways. This can cause the airways to spasm, triggering an asthma attack, which can involve coughing.
Other Chemical Mediators Of Bronchospasm
Asthma Pharmacology
Snapshot
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