The adult human brain weighs about 3 pounds (1,300-1,400 g).
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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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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Your body is creating and killing about 2.4 million red blood cells per second.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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When you take a step, you are using up to 200 muscles.
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