The need to breathe so much is due to carbon dioxide build-up more than the need for oxygen. If there was a different way to get rid of carbon dioxide from the blood, we would only need to breathe at a rate of about once per minute.
 | Slicing It Thin |
 | Why Going To The Gym Can Be Unhealthy For You |
 | 10 Sweet and Savory Toast Recipes (All Under 250 Calories) |
 | A Different Kind Of Freedom |
