Once the erythrocytes enter the blood in humans, it is estimated that they have an average lifetime of?
Answer: 120 days
Explanation
- Erythrocytes, also known as red blood cells, have an average lifetime of 100 to 120 days in humans.
- They are produced in the bone marrow and can be recycled by macrophages.
- The average time for an erythrocyte to complete a cycle of circulation is 60 seconds, or one minute.
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