Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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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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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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There are more sensory neurons in the tongue than in any other part of the body.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
Topics of Review for Front-Office Personnel
How to solve simple percent word problems (Part 1)
How to solve word problems with two unknowns (Question 1)
Venus Fly Trap closed on a fly
A sample of work by a Grade 4 student with a specific learning disorder
Comparison of open and closed circulatory systems.