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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."

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There are more bacteria in your mouth than there are people in the world.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Summation of Heart Sounds, Normal Physiological Split of S2 Summation of Heart Sounds, Normal Physiological Split of S2
Renal calculi (stones) can form in several areas within the urinary tract. When they form in the kid Renal calculi (stones) can form in several areas within the urinary tract. When they form in the kid
CMS-1500 (02/12) claim form. CMS-1500 (02/12) claim form.
Distribution of the Property of Americans Distribution of the Property of Americans
A single cylinder is shown at the top and a four-cylinder engine at the bottom. A single cylinder is shown at the top and a four-cylinder engine at the bottom.
How to sketch a quadratic equation that is in standard form (Question 2) How to sketch a quadratic equation that is in standard form (Question 2)
Video: Miller's reaction chamber experiment Animation

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