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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 Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

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The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

The pH of human blood ranges from 7.35 to 7.45. The pH of human blood ranges from 7.35 to 7.45.
Circulatory System: Blood Vessels Circulatory System: Blood Vessels
Blood pressure and blood volume relationship Blood pressure and blood volume relationship
Terms Related to Abnormal Blood Pressure Readings Terms Related to Abnormal Blood Pressure Readings
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Lineup of leukocytes (white blood cells) Lineup of leukocytes (white blood cells)
Video: Structure of a Ribosome

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