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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The longest a person has survived after a heart transplant is 24 years.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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The average office desk has 400 times more bacteria on it than a toilet.
A Typical Pattern of Sleep Stages During a Single Night
Sandy Brooke, Fate and Luck: Eclipse.
A cutaway view of a typical variable fuel sensor.
A typical ECT sensor temperature versus voltage curve.
Typical Reverse Osmosis Filter Setup
Typical characteristics of r-selected and k-selected species