The human brain has the capacity to store everything that you experience.
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A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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One human hair can support 3 ounces.
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Only humans shed emotional tears.
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The human eye blinks an average of 4,200,000 times a year.
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
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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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