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Did you know?
The average adult has about 21 square feet of skin.
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There are more bacteria in your mouth than there are people in the world.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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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.