The length from your wrist to your elbow is the same as the length of your foot.
Your heart beats 101,000 times a day. During your lifetime it will beat about 3 billion times and pump about 400 million litres (800 million pints) of blood.
It is impossible to lick your elbow. Well, for almost everyone… but a few can.
Your mouth produces 1 litre (1.8 pints) of saliva a day.
The human head contains 22 bones. More on the head and brains
On average, you breathe 23,000 times a day.
Breathing generates about 0.6g of CO2 every minute.
On average, you speak almost 5,000 words a day – although almost 80% of speaking is self-talk (talking to yourself).
A person can live without food for about a month, but only about a week without water.
You’ll drink about 75,000 litres (20,000 gallons) of water in your lifetime.
Men loose about 40 hairs a day. Women loose about 70 hairs a day.
On average, you blink 15 000 times a day. Women blink twice as much as men.
The liver is the largest of the body’s internal organs. The skin is the body’s largest organ.
Your finger nails grow at 1 nanometre per second (0.000 000 001 m/s). Your hair grows at 4 nanometres per second (0.000 000 004 m/s).
About 13% of people are left-handed. Up from 11% in the past.
A newborn baby’s head accounts for one-quarter of its weight.
The bones in your body are not white – they range in color from beige to light brown.
Our eyes are always the same size from birth.
Every person has a unique tongue print.
We actually do not see with our eyes – we see with our brains. The eyes basically are the cameras of the brain.
Source from http://didyouknow.org/fastfacts/body/
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