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Tuesday, April 26, 2011

DID YOU KNOW that . . .

- The brain uses over a quarter of the oxygen used by the human body? - Your heart beats around 100000 times a day 36500000 times a year and over a billion times if you live beyond 30.
- Red blood cells carry oxygen around the body. They are created inside the bone marrow of your bones.
- Color of your human skin is determined by the level of pigment melanin that the body produces. Those with small amounts have dark skin.
- Adult lungs have a surface area of around 70 square meters.
- Humans have a stage of sleep that features rapid eye movement (REM). REM sleep makes up around 25% of total sleep time and is often when you have most vivid dreams.
- The smallest bone found in the human body is located in the meddle ear, the staples
(or stirrup) bone is only 2.8mm long.
- Infants blink only once or twice a minute while adults average around 10
- As well as having unique fingerprints, humans also have unique tongue prints.
- The left side of your body is controlled by your right side of your brain while the
right side of your body is controlled by the left side of your brain.
- Antibiotics are only effective against bacteria, they will not help in fighting off
a virus.
- Your sense of smell is around 10000 times more sensitive than your sense of taste.
- Your nose and ears continue growing throughout your entire life.
- It takes the body around 12 hours to completely digest fruits, vegetables and fish
while it takes 2 to 3 days to digest meat.

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