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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All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
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Enamel is hardest substance in the human body.
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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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Our eyes are always the same size from birth, but our nose and ears never stop growing.
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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