Multiple choice general knowledge science & technology

Ratio of red blood cell to that of white blood cell is

  1. 500:1

  2. 600:1

  3. 700:1

  4. 800:1
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In human blood, the normal physiological ratio of red blood cells (erythrocytes) to white blood cells (leukocytes) is approximately 600 to 1. This ensures that oxygen transport remains high while white blood cells are maintained in sufficient numbers for immune defense.

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