Partial pressure

Definition

Partial pressure is the pressure exerted by a single type of gas in a mixture of gases. It's crucial in determining how gases diffuse across biological membranes, such as during gas exchange in the respiratory system.

Related terms

Gas Exchange:

The process by which oxygen is taken into the body and carbon dioxide is expelled, primarily occurring in the lungs.

Diffusion:

The movement of molecules from an area of higher concentration to an area of lower concentration until equilibrium is reached.

Respiratory System:

The network of organs and tissues that help you breathe, including the nose, throat, larynx, trachea, bronchi, and lungs