The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Your heart beats over 36 million times a year.
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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
Examples of energy
Continuous variation in a natural population
Geothermal energy and powers Earth’s systems
Energy passes among trophic levels
Geothermal Energy schematic
Expressing amounts of energy in different energy units is necessary to solve many chemistry ...