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Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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The average adult has about 21 square feet of skin.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Field experiment on effects of predation on male guppy colouration Field experiment on effects of predation on male guppy colouration
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ... A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
A downward-sloping spark line usually indicates high secondary ignition system resistance or an ... A downward-sloping spark line usually indicates high secondary ignition system resistance or an ...
Experimental Apparatus for Fluidization Experiment Experimental Apparatus for Fluidization Experiment
A Mental Model of the Craftsman Experiment A Mental Model of the Craftsman Experiment
Monkey Experiment: Sense of Fairness Monkey Experiment: Sense of Fairness
Video: Electrical changes in the heart

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