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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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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.

Alapaha Blue Blood Bulldog Alapaha Blue Blood Bulldog
Leukemia. A blood smear from a patient suffering from leukemia demonstrates the abundance of enlarge Leukemia. A blood smear from a patient suffering from leukemia demonstrates the abundance of enlarge
Blood Flow through heart Blood Flow through heart
Commonly Used Equivalents for the Apothecary and Metric Systems Cont Commonly Used Equivalents for the Apothecary and Metric Systems Cont
Velocity of Blood Flow Velocity of Blood Flow
Amino Acids Commonly Found in Proteins Amino Acids Commonly Found in Proteins
Video: Automated external defibrillator (AED)

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