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The familiar sounds of your heart are made by the heart's valves as they open and close.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

These species are all at risk of extinction. Species with slow life-h These species are all at risk of extinction. Species with slow life-h
Slow-Wave Sleep and Learning Slow-Wave Sleep and Learning
16.23 Slow-Wave Sleep Deprivation 16.23 Slow-Wave Sleep Deprivation
Bureaucracies have their dysfunctions and can be slow and even stifling. Most, however, are highly ... Bureaucracies have their dysfunctions and can be slow and even stifling. Most, however, are highly ...
Apply passive touch over abdomen to finish. Slow the circle stroke you performed in Step 14, and let ... Apply passive touch over abdomen to finish. Slow the circle stroke you performed in Step 14, and let ...
Cover heat source to slow cooling by placing a towel over it. Cover heat source to slow cooling by placing a towel over it.
Video: Mechanisms of capillary exchange

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