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Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

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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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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.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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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.

A treatment for blocked blood vessels. A treatment for blocked blood vessels.
Varicosis. (a) Varicose veins develop due to the failure of valves in the superficial veins of the l Varicosis. (a) Varicose veins develop due to the failure of valves in the superficial veins of the l
Patient conditions not appropriate for elctronic blood pressure measurement Patient conditions not appropriate for elctronic blood pressure measurement
An Internet connection is usually needed to perform updates although some vehicle manufacturers use ... An Internet connection is usually needed to perform updates although some vehicle manufacturers use ...
Carrots are a good source of vitamin A Carrots are a good source of vitamin A
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Video: Renin/Angiotensin (water gain from urine & Na ion and water reabsorption)

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