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

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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.

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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Single atoms form the nodes of an elementary quantum network Single atoms form the nodes of an elementary quantum network
This chart illustrates the bottom up assumption about government. In this, attitudes, culture, and This chart illustrates the bottom up assumption about government. In this, attitudes, culture, and
Many fathers and infants form secure attachments. Fathers’ style of interaction differs somewhat ... Many fathers and infants form secure attachments. Fathers’ style of interaction differs somewhat ...
CMS-1500 (02/12) claim form. CMS-1500 (02/12) claim form.
The I-9 form. The I-9 form.
Video: Flexor reflex & Crossed extensor reflex

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