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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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your thumb is about the same size as your nose.
124
The average sperm cell swims at 8 inches per hour.
76
The human brain has the capacity to store everything that you experience.
4k
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99