The gas exchange system is responsible for getting oxygen into the blood and removing carbon dioxide as a person breathes. Breathing is also called 'ventilation' and is the movement of gases into and ...

Inhalation and exhalation is the same as breathing or ventilation and is a physical process which moves air into and out of your lungs. Respiration is not the same as breathing, and is a chemical ...

Easy breathing depends on the millions of delicate, air-filled sacs, known as alveoli, that are the site of gaseous exchange in the lungs. Each alveolus is composed of two distinct epithelial cell ...