The adult human brain weighs about 3 pounds (1,300-1,400 g).
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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Enamel is hardest substance in the human body.
61
The human brain has the capacity to store everything that you experience.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your body is creating and killing about 2.4 million red blood cells per second.
17
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.
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