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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
The three stages of a specific immune response.
Sexual Response Cycle
Dose–response relationship.
Dynamic Response of Thermometers Experiment
Cell-mediated immunity, primary and secondary response.