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Author Question: Which of the following are most commonly prescribed to treat generalized anxiety disorder: a) ... (Read 52 times) |
In 1864, the first barbiturate (barbituric acid) was synthesized.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.