Fingernails grow nearly 4 times faster than toenails!
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The lense of the eye continues to grow throughout a person's life.
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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Your hair grows faster in the morning than at any other time of day.
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Your heart will pump about 212 million liters in its lifetime.
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Enamel is hardest substance in the human body.
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20 minutes after smoking a cigarette, blood pressure drops to normal.
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Fingernails grow nearly 4 times faster than toenails.
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