Your body gives off enough heat in 30 minutes to bring half a gallon of water to a boil.
Your nose can remember 50,000 different scents and women are better smellers than men.
The tooth is the only part of the human body that can’t repair itself.
There is enough nicotine in four or five cigarettes to kill an average adult if ingested whole.
Humans have 46 chromosomes, peas have 14, and crayfish have 200.
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