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Your heart beats over 36 million times a year.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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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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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Any number of crossovers gives 50 percent recombinants Any number of crossovers gives 50 percent recombinants
A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ... A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ...
How to solve simple percent word problems (Part 1) How to solve simple percent word problems (Part 1)
Trig Proof Trig Proof
Prove the argument using two column proof numbers 2 and 5 only. Prove the argument using two column proof numbers 2 and 5 only.
1 = 2 Proof 1 = 2 Proof
Video: Hormonal regulation of blood pressure - RAA system

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