Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Everyone has one nostril that is larger than the other.
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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
A Dose-Response Curve
Another question for grade 11 math
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economic question
Hypersensitive Response
An older woman with wrinkled skin, gray hair, and darker teeth, smokes a cigarette.