The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The horizontal fraction bar was introduced by the Arabs.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Cheirurus sp., middle Ordovician age, Volkhov River, Russia
Adults in late middle adulthood frequently look forward to spending more time with their partner
The internal structures of the outer, middle, and inner ear.
Physical and Perceptual Dimensions of Sound Waves
Water Loss Through Evaporation
Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity