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The average life span of red blood corpuscles is about
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- 100 - 200 days
- 100 - 120 days
- 160 - 180 days
- 150 - 200 days
Correct Option: B
The red blood cells develop in the bone marrow and circulate for about 100–120 days in the body before their components are recycled by macrophages. Each circulation takes about 20 seconds. Approximately a quarter of the cells in the human body are red blood cells
