The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Your body is creating and killing about 2.4 million red blood cells per second.
17
The average sperm cell swims at 8 inches per hour.
76
The average person's skin weighs twice as much as their brain.
131
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
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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Your heart will pump about 212 million liters in its lifetime.
26
When you take a step, you are using up to 200 muscles.
886