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?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Overview of the endocrine system in humans.
Temperature Profile of Earth’s Atmosphere
The Three Components of Pain
The U.S. military uses its own marking system to identify explosive hazards (left), chemical hazards ...
Fatty acid desaturation system
The central nervous system is composed of the brain and the spinal cord