This 1930s educational film provides a detailed exploration of the respiratory ... Beginning with the organs of respiration, it highlights the structure and function of the nose, larynx, trachea ...

It explains how the nose functions as an air passage that warms ... It emphasizes that these organs are interconnected and that infections can easily spread between them. The film advises against ...

All living things are made of cells which are differentiated to perform different functions ... contributing to cell metabolism. The respiratory system in humans – WJEC Respiration is a chemical ...