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Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

An upward-sloping spark line usually indicates a mechanical engine problem or a lean air–fuel ... An upward-sloping spark line usually indicates a mechanical engine problem or a lean air–fuel ...
Muscle weakness caused by myasthenia gravis is evident in the eyes of this patient. Muscle weakness caused by myasthenia gravis is evident in the eyes of this patient.
Apply deep effleurage to triceps. Position arm with elbow pointing upward to access the triceps ... Apply deep effleurage to triceps. Position arm with elbow pointing upward to access the triceps ...
Gliding Phoenix. Beginning position: Legs straight and together, arms at sides of body. 1. Rise up ... Gliding Phoenix. Beginning position: Legs straight and together, arms at sides of body. 1. Rise up ...
The Upper (A) and Lower (B) Respiratory Tracts (2 of 2) The Upper (A) and Lower (B) Respiratory Tracts (2 of 2)
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

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