Bill Nye gets aerobic about the importance of respiration when he jogs, bikes, swims, and scuba dives. Discover how to measure how much air each breath contains, and make a model lung in a nifty home experiment. See a demonstration of how cigarette smoke can infiltrate and injure lungs. With more than 16 Emmys® to its credit and legions of fans, it's easy to see why the "Bill Nye the Science Guy" show is one of the most popular educational series of all time. Beloved by teachers and students alike, Bill Nye and his unique brand of Way Cool Science make complex science principles accessible for all learners.