Your brain senses reality.
Fact #2325
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More Human Body Facts
The human eye adapts to darkness by increasing light sensitivity.
Fact #899 · Human Body
About 8% of people have an extra rib.
Fact #2770 · Human Body
Fingernails grow about three to four times faster than toenails.
Fact #3496 · Human Body
The human body contains trillions of microorganisms.
Fact #233 · Human Body
The human brain uses roughly 20% of the body's total energy despite being only 2% of its weight.
Fact #3495 · Human Body
The human brain uses about 20% of the body's total energy despite being only 2% of body weight.
Fact #3271 · Human Body
The human brain continues developing into your mid‑twenties.
Fact #2476 · Human Body
The human body glows faintly in complete darkness.
Fact #1686 · Human Body
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