Your heart will pump about 212 million liters in its lifetime.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The human brain uses approximately as much energy as a 10 watt light bulb.
120
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
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
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55