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Author Question: The _______________ marks the northernmost migration of the sun's vertical rays. Fill in the ... (Read 24 times) |
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.