What is the main job of red blood cells?

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  1. Fight germs and infections
  2. Carry oxygen to the body's tissues
  3. Help blood clot after a cut

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References

  1. OpenStax Anatomy and Physiology 2e, 18.3 Erythrocytes openstax.org/books/anatomy-and-physiology-2e/pages/18-3-erythrocytes Checked 2026-10-12.

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