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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?
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.