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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).
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.
![The varying voltage signal from the pickup coil triggers the ignition module. The ignition module ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_6_25_27_29804623.png)
![A DC voltage is applied across the spark plug gap after the plug fires and the circuit can determine ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_6_52_57_29826391.png)