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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
![Gently squeeze/milk the arm with twisting motion. With oil or lotion on hands, use gentle but firm ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_22_07_33340340.jpeg)
![Gently squeeze along the length of the arm with both hands, moving down the arm from shoulder to ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_48_47_333832011.jpeg)