Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Large male size and mating success.
Changes in the abundance and egg-hatching success rate of prairie chickens.
Structures of a typical cell.
Typical Examination Room Equipment and Supplies
A typical hand-operated vacuum pump.
A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ...