If you could remove all of your skin, it would weigh up to 5 pounds.
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There are more sensory neurons in the tongue than in any other part of the body.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Examples of sensory receptors in the skin of mammals.