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What is the average lifespan of a red blood cell in the human body? (2020)

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Question: What is the average lifespan of a red blood cell in the human body? (2020)

Options:

  1. 10 days
  2. 30 days
  3. 120 days
  4. 1 year

Correct Answer: 120 days

Exam Year: 2020

Solution: 

Red blood cells typically have an average lifespan of about 120 days before they are removed from circulation by the spleen.

What is the average lifespan of a red blood cell in the human body? (2020)

Practice Questions

Q1
What is the average lifespan of a red blood cell in the human body? (2020)
  1. 10 days
  2. 30 days
  3. 120 days
  4. 1 year

Questions & Step-by-Step Solutions

What is the average lifespan of a red blood cell in the human body? (2020)
  • Step 1: Understand what red blood cells are. They are cells in the blood that carry oxygen to different parts of the body.
  • Step 2: Learn about the lifespan of red blood cells. They live for a certain amount of time before they need to be replaced.
  • Step 3: Find out the average lifespan of red blood cells. It is about 120 days.
  • Step 4: Know what happens after 120 days. The spleen helps remove old red blood cells from the body.
  • Average Lifespan of Red Blood Cells – Red blood cells have a typical lifespan of around 120 days in the human body.
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