Archived Polls and Quizzes
How long does the average blood cell live?
- 1 day
- 24 days
- 80 days
- 120 days
- 200 days
In what year did Karl Gerhardt discover aspirin?
- 1653
- 1753
- 1853
How much blood in gallons does an average man have in his body?
- 1.5 gallons
- 1 gallon
- .875 of a gallon
On average, how many units of blood are used each day in the United States?
- 25,000
- 40,000
- 55,000
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