Go inside the human body and see first-hand how the respiratory system works. Vivid animation and real-life examples demonstrate the respiration process, including the transfer...
Paul Andersen starts this video with a description of the respiratory surface. He explains how worms, insects, fish and mammals take in oxygen and release...
The mechanism of breathing and the anatomy of the organs that carry out this activity are brought vividly to life through revealing animation and x-ray...
