If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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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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Your heart beats over 36 million times a year.
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There are approximately 3 million unintended pregnancies in the United States each year.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Environmental influences on the expression of PKU within a single family
The intermediate-disturbance hypothesis of community organization.