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A-Level Biology OCR A

Erythrocytes Constantly Important Neutrophils Replaced Explain Produced Replacement

Front Explain why it is important for erythrocytes and neutrophils to be constantly produced.
Back Replacement of erythrocytes and neutrophils:
  • Erythrocytes are essential for transport of oxygen around the body, since they have no nucleus - short lifespan (120 days) so they need to be replaced constantly
  • Neutrophils have an important role in immune system and only live about 6 hours so they must constantly be replaced (even more produced when infected)

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