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Asthma cases in Americans are about 75% higher today than they were in 1980.

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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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There are more bacteria in your mouth than there are people in the world.

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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).

(a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko (a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko
This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
This chart shows the various lines of responsibility and how they differ in presidential and parliam This chart shows the various lines of responsibility and how they differ in presidential and parliam
Labeled parts of a check. Labeled parts of a check.
Cellular Respiration Chart (ATP) Cellular Respiration Chart (ATP)
The eukaryotic cell cycle consists of two parts: (1) interphase and (2) mitosis followed by cytokine The eukaryotic cell cycle consists of two parts: (1) interphase and (2) mitosis followed by cytokine
Video: Pressure volume relationships - Normal inspiration and expiration

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