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Author Question: The overall quantity of water on Earth is constantly fluctuating as evidenced by changes in sea ... (Read 38 times) |
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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
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Cyanide works by making the human body unable to use oxygen.
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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
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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.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.