Lungs

Difference Between Inspiration and Expiration
The main difference between inspiration and expiration is that inspiration (inhalation) is the process of taking air into the lungs whereas expiration...
Difference Between Inhalation and Exhalation
During inhalation, the lungs expand with air and oxygen diffuses across the lung's surface, entering the bloodstream. During exhalation, the lungs exp...
Difference Between Gills and Lungs
Gills are evaginations of the body surface. Some open directly to the environment; others, as in fishes, are enclosed in a cavity. In contrast, lungs ...