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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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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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199
Positive Babinski’s sign.
A poster encourages women to work in munitions to support the war effort.
Positive ring precipitin test.
Will Posting Nutritional Content in Restaurants Have a Positive Impact on the Obesity Epidemic?
Sabrina's Fabric Land bought $5,000 of equipment at the beginning of 2015. Amortization ...