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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
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.
Did you know?
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.