There are more bacteria in your mouth than there are people in the world.
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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.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
Urinary System
Closed urinary drainage system. Urine being measured after it leaves patient’s body via catheter.
Functional divisions of the peripheral nervous system
The immune system has several different components that work in concert.