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Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Anterior and lateral views of the body illustrating directional terms. Anterior and lateral views of the body illustrating directional terms.
Inflated Phrases Compared with Concise Terms Cont Inflated Phrases Compared with Concise Terms Cont
How to solve a linear system when the terms are fractions How to solve a linear system when the terms are fractions
How to combine like-terms in expressions containing multi-brackets How to combine like-terms in expressions containing multi-brackets
Directional Terms Directional Terms
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
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