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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Four Lockheed P-38 Lightning fighters in formation. Four Lockheed P-38 Lightning fighters in formation.
Spinal changes caused by osteoporosis. Spinal changes caused by osteoporosis.
Formation of Pangaea Formation of Pangaea
Cystic fibrosis is caused by a mutation in a protein called CFTR Cystic fibrosis is caused by a mutation in a protein called CFTR
Results of gamete formation Results of gamete formation
Species formation Species formation
Video: Glomerubular filtrate rate -pressures that affect GFR and net filtration pressure

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