It takes about 20 seconds for a red blood cell to circle the whole body.
102
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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