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On an average how many litres of blood a human body have ?

  • A.2-3 litre
  • B.12-14 litre
  • C.8-10 litre
  • D.5-6 litre

Answer: D

An adult human has about 5 to 6 litres of blood, roughly 7 to 8 per cent of body weight.

Men average nearer 5.5 litres and women about 4.5. Losing more than about a fifth of it causes shock.

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