FOUNDATIONAL TERM
Ventilation
通气
Bulk movement of air into and out of the lungs.
Study this concept in context
13 · Breathing: ventilation, gas exchange and regulation
Air entering the lungs, oxygen entering blood and blood delivering oxygen to cells are connected but distinct processes. Separating them clarifies what breathing rate, oxygen saturation and breathlessness can reveal.
75 · Chronic respiratory disease
Breathlessness can arise from airways, air sacs, circulation, or other systems. Chronic respiratory disease connects airflow and gas exchange with daily care and acute deterioration.
Sources
- OpenStax: the process of breathing
- OpenStax: gas exchange
- OpenStax: transport of gases
- OpenStax: modifications in respiratory functions
- NHLBI: What Is COPD?
- NHLBI: What Is Asthma?
Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.