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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Calipers are used to measure the body fat on the triceps of a patient. Calipers are used to measure the body fat on the triceps of a patient.
This advertisement from about 1885 represents an early stage of capitalism when individuals were ... This advertisement from about 1885 represents an early stage of capitalism when individuals were ...
A partial stream sampling exhaust probe being used to measure exhaust gases in parts per million ... A partial stream sampling exhaust probe being used to measure exhaust gases in parts per million ...
Metric System: Measure of Weight and Volume Metric System: Measure of Weight and Volume
Ways to Measure Percentage of Body Fat Ways to Measure Percentage of Body Fat
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia). Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).
Video: Four Giant Convection Cells oF Earth

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