Gas exchange is a process that involves the swapping of gases that occurs at exchange surfaces such as the alveoli found within your lungs. Gas exchange allows oxygen to travel into your cells for ...

delicate lining between your alveoli. Tiny blood vessels run through the interstitium and let gas transfer between the alveoli and your blood. Various lung diseases affect the interstitium ...

The lungs consist of thin-walled air sacs called alveoli. Gas exchange occurs between alveolar air and capillaries within ...