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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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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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The horizontal fraction bar was introduced by the Arabs.

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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
Pulmonary embolism. The purple shaded section shows the area of the lung that is dying from lack of ... Pulmonary embolism. The purple shaded section shows the area of the lung that is dying from lack of ...
Medical assistant working in a front office area of a medical office. Medical assistant working in a front office area of a medical office.
Nomogram for determining Body Surface Area (BSA). Nomogram for determining Body Surface Area (BSA).
The population of algae is compared to the population of corals in a given sampling area The population of algae is compared to the population of corals in a given sampling area
Trigonometry, Area Problem Trigonometry, Area Problem
Video: Role of the respiratory system - effect of altered ventilation rates

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