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Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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There are 20 feet of blood vessels in each square inch of human skin.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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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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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

The major arteries of the body. The major arteries of the body.
Illustration of an embolus floating in an artery. The embolus will become lodged in a blood vessel t Illustration of an embolus floating in an artery. The embolus will become lodged in a blood vessel t
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
Plaque Buildup in Arteries Plaque Buildup in Arteries
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

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