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How much blood does a normal adult person have in the body?

How much blood does a normal adult person have in the body?

  • (A) About 2 to 3 liters
  • (B) About 3 to 4 liters
  • (C) About 4 to 5 liters
  • (D) About 5 to 6 liters
The average amount of blood in an adult is about 1.2 to 1.5 gallons, which is approximately 4.5 to 5.7 liters. This amount of blood typically constitutes 7% to 8% of the body weight. There is a slight variation in the amount of blood between the two sexes, which is about 4.5 liters in females and 5.5 liters in males, but the standard amount used in medical terms is 5 to 6 liters.
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 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
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