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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
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.