Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Gin is a mild diuretic which helps the body get rid of excessive fluid. Thus, it can reduce problems such as menstrual bloating.
90
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
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Held in farts enter your bloodstream and are bad for your body.
26