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 ...

BEIJING, Dec 27 (Reuters) - China's diseases control authority said on Friday that it was piloting a monitoring system for pneumonia of unknown origin, with cases of some respiratory diseases expected ...