Your respiratory system is made up of your lungs, airways, pharynx, larynx, nose and mouth. Its main function is to breathe in oxygen and breathe out carbon dioxide.

The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.

Respiratory disorders are lung diseases that can affect respiratory function, the ability to breathe, and how well the lungs work.

Oct 10, 2025 · Human respiratory system, the system in humans that takes up oxygen and expels carbon dioxide. The major organs of the respiratory system include the nose, pharynx, larynx, …

Aug 29, 2024 · Learn about the human respiratory system. Get a diagram, learn about the functions of the respiratory system, and see its organs.

Mar 24, 2025 · Acute respiratory failure occurs when the lungs can’t release enough oxygen into your blood. Learn about symptoms, causes, and treatment options.

Aug 18, 2025 · Learn what respiratory illnesses have in common and steps to help protect yourself and others.

Jul 24, 2025 · Every cell in your body needs oxygen to live. The air we breathe contains oxygen and other gases. The respiratory system's main job is to move fresh air into your body while …

Through breathing, inhalation and exhalation, the respiratory system facilitates the exchange of gases between the air and the blood and between the blood and the body’s cells.

How does the respiratory system work? Learn more about the respiratory system here. This article covers how it works, what it looks like, and some diseases and conditions that can affect it.