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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The average adult has about 21 square feet of skin.
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?
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.