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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?
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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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The human body produces and destroys 15 million blood cells every second.
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