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Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio
brain brain
New Research on the Effects of Traumatic Brain Injury (TBI) New Research on the Effects of Traumatic Brain Injury (TBI)
Major Structures of the Human Brain Major Structures of the Human Brain
Brain maturation from ages 5 to 20 Brain maturation from ages 5 to 20
The central nervous system is composed of the brain and the spinal cord The central nervous system is composed of the brain and the spinal cord
Video: Aneurysm

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