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Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
Did you know?
The human body produces and destroys 15 million blood cells every second.