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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

The circulatory system plays a central role in thermoregulation by the moth, Manduca sexta The circulatory system plays a central role in thermoregulation by the moth, Manduca sexta
Using Parallax to Determine Distance Using Parallax to Determine Distance
Women have the role of kinkeeper in almost all cultures. This may cause them to react to stress by ... Women have the role of kinkeeper in almost all cultures. This may cause them to react to stress by ...
The answer to “What is the proper role of children in an economy?” varies by social class, ... The answer to “What is the proper role of children in an economy?” varies by social class, ...
Algebraically determine the x intercept of the exponential function Algebraically determine the x intercept of the exponential function
How can you determine if the glucose-aversion trait in cockroach? How can you determine if the glucose-aversion trait in cockroach?
Video: Phases of an Action Potential - Resting Potential, Threshold, Rising, Falling, & Recovery Phases

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