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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.