Multiple choice

The lifespan of a Red Blood Cell (RBC) is __________ days.

  1. 60

  2. 100

  3. 120

  4. 180

  5. 240
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The lifespan of an RBC is approximately 120 days. After that, the RBC dies and a new one is generated.

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