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The FDA recognizes 118 routes of administration.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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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).

The principle of faunal succession uses animal fossils to tell relative time. The principle of faunal succession uses animal fossils to tell relative time.
The relative penetrating power of alpha, beta, and gamma radiation. Gamma and neutron radiation are ... The relative penetrating power of alpha, beta, and gamma radiation. Gamma and neutron radiation are ...
Effect of increasing temperature or lowering deltGo+ on the rates of reactions Effect of increasing temperature or lowering deltGo+ on the rates of reactions
Example of a Mastery Scale Example of a Mastery Scale
A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to the ground. ... A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to the ground. ...
Age-Standardized Suicide Rates (per 100 000 Population), Both Sexes, 2016 Age-Standardized Suicide Rates (per 100 000 Population), Both Sexes, 2016
Video: Cardiac conductile cells

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