Multiple choice

In an adult human, there is about ___________ litres of blood.

  1. 5.5

  2. 3

  3. 2.5

  4. 7.5

  5. 1.5
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option. In an adult human, there is about 5.5 litres of blood.

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