Respiration
S2, E20: 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.

S2, E20: 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.