The human brain has the capacity to store everything that you experience.
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When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Yawns are more contagious among people with closer relationships.
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The human body contains over a billion miles of DNA.
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The average person's skin weighs twice as much as their brain.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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