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Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
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![This red gasoline container holds about 30 gallons of gasoline and is used to fill vehicles used ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_3_10_42_295132149.png)