Posts tagged ‘breath’

Hold your breath

Try holding your breath. After a minute you will have used up most of the oxygen stored in your body and carbon […]

12/14/2010. Category: sports. Tags: , ,

Role of oxygen in breathing

For thousands of years people did not know why we breathe air. Plato and Aristotle believed that nutrients from food were burned […]

05/25/2010. Category: science. Tags: ,