WBCS.LIVE practice question

How big are red blood cells in diameter?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 2.0 μm
  2. 4.0 μm
  3. 7.5 μm
  4. 40.0 μm

Correct answer and explanation

Correct answer: 7.5 μm