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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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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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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Vaccines prevent between 2.5 and 4 million deaths every year.