A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.

Diagram of the Human Respiratory System (Infographic) Infographics. By Ross Toro published 29 August 2013 When you purchase through links on our site, ... Once in the lungs, ...

Trachea The trachea, also called the windpipe, is part of the passageway that supplies air to the lungs. Any prolonged blockage, even for a few minutes, can cause death. The trachea is about 4.