The respiratory system is responsible for the exchange of carbon dioxide and oxygen in the human body. This system also helps remove metabolic waste products and keep pH levels in check. The major ...

This 1930s educational film provides a detailed exploration of the respiratory and excretory systems, combining live-action demonstrations, animations, and intertitles to illustrate human anatomy and ...

The film discusses the anatomical and functional significance of the nose, throat, and ears from a medical perspective. It explains how the nose functions as an air passage that warms and filters ...