Inhalation
+++Osmosis
alveoli
Pleurisy Pleurisy
Exhalation
In terms of the respiratory tract, the pharynx is proximal to the lung. It comes before the lungs as air moves through the respiratory tract.
It is air pressure
wind
When the air moves it is called an air current or wind
The muscles that expand the rib cage relax and let it fall back into place under its own weight. That leads to higher pressure in the lung that outside and so air moved from the high pressure to the low pressure out of the lung.
Inspiration is the process of inhaling air into the lungs, while exhalation is the process of expelling air out of the lungs. These processes are vital for the exchange of oxygen and carbon dioxide in the body, which is necessary for bodily functions and maintaining life.
it is called a cold front
it is called a cold front