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.

Jan 12, 2026 · 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, …

The respiratory system starts at the nose and mouth and continues through the airways and the lungs. Air enters the respiratory system through the nose and mouth and passes down the throat (pharynx) …

13.3 Anatomy of the Respiratory System Anatomy of the Respiratory System [1] Anatomically, the respiratory system can be divided into upper and lower respiratory systems. The upper respiratory …

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.

Mar 24, 2022 · Learn how the respiratory system works and what happens when you breathe in and out.

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.

Mar 30, 2023 · The respiratory system facilitates the exchange of gases between the body and the external environment. It consists of several organs, tissues, and cells, including the nose, throat, …

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