Did you know we breathe in about 13 pints of air every minute? This program takes a deep look into the importance of oxygen, the process of respiration and cellular respiration, and the important connection between the respiratory and circulatory systems. Animations help to illustrate the functions of the nose, larynx, pharynx, trachea, bronchi, lungs, as well as the role of the diaphragm. Experts discuss colds, asthma, emphysema, lung cancer and the detrimental effects of smoking on this delicate system. 22 minutes. © 2001, 2005.
Editor's Choice, Science Books & Films
Part of the Amazing Adventures Inside The Human Body Video Series.