Ventilation — Science definition
The mechanical movement of air in and out of the lungs as the diaphragm and ribs change the volume of the chest; nothing chemical happens yet.
Where it is taught
- Circulatory & Respiratory Systems — Body Organization, Transport & Movement, Life Science & Scientific Inquiry, Grade 7
In use
Ventilation is the mechanical movement of air in and out of your lungs — ribs lifting, the diaphragm flattening, pressure dropping so that air flows in.
Circulatory & Respiratory Systems