The adult human brain weighs about 3 pounds (1,300-1,400 g).
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After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
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All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
One human hair can support 3 ounces.
191
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46