diaphragm

=WIERD AND WONDERFUL FACTS:=
 * 1) A pair of adult lungs weigh about one kilograms.
 * 2) An adults lung holds up to five litres of air! it would take u up to three days to drink the same amount of liquid.
 * 3) Your diaphragm moves down less then one centimetres during quiet breathing, and more then four centimetres when exercise.
 * 4) If you were to flatten out your alveoli it whould cover about the size of a tennis court.
 * 5) An american, Charles Osborne had the hissups for 70 years.
 * 6) Whales have the biggest lungs in the world.

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