Did you know?

Did you know...
It's impossible to sneeze with your eyes open.

Did you know...
an average yawn lasts about 6 seconds.

Did you know...
about three-quarters of a liter of blood pumps through your brain every minute.

Did you know...
it is believed that the main purpose of eyebrows is to keep sweat out of your eyes.

Did you know...
from the age of thirty, humans gradually begin to shrink in size.

Did you know...
women blink nearly twice as often as men.

Did you know...
that your brain stops growing when you reach 18 years old.

Did you know...
three-quarter of the human brain is water.

Did you know...
we exercise at least 30 muscles when we smile.

Did you know...
when we blink we shut our eyes for 0.3 seconds.

Did you know...
the human eyeball is 2.5cm long.

Did you know...
every person has a unique tongue print pattern.

Did you know...
a sneeze can exceed the speed of 100miles per hour (160 km/h).

Did you know...
children have a better sense of smell than adults.

Did you know...
our eyes are the same size as when we were born.

Did you know...
the brain is always working, even while you sleep.

Did you know...
all of your "thinking" is done by electricity and chemicals.

Did you know...
that people and giraffes have the same number of bones in their necks.
A giraffe's bone are just longer.

Did you know...
in your own lifetime, you'll produce enough spit to fill two swimming pools.

Did you know...
your thumbnail grows the slowest; the middle nail grows the fastest.

Did you know...
the nose can smell up to 10,000 different smells.

Did you know...
our lungs inhale 10,000 to 20,000 litres of air everyday.
They are large enough to cover a tennis court.