The human brain has the capacity to store everything that you experience.
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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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The largest cell in the human body is the female egg and the smallest is the male sperm.
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The human brain doesn't stop developing until about 25 years old.
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Your heart will pump about 212 million liters in its lifetime.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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The average person's skin weighs twice as much as their brain.
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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
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