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Author Question: Mrs. Briggs asked the principal to provide digital cameras and video cameras for her classroom. She ... (Read 381 times) |
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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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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Illicit drug use costs the United States approximately $181 billion every year.
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The longest a person has survived after a heart transplant is 24 years.
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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).