Human Respiratory System: Anatomy of the Lungs. Posted: March 14, 2025 | Last updated: July 10, 2025. This 1930s educational film provides a detailed exploration of the respiratory and excretory ...

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.