Human transport

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Across
  1. 2. Carries blood from the head to the heart
  2. 6. Contains antibodies for a specific pathogen
  3. 7. A harmful organism that gets into the body
  4. 9. Carries blood away from the heart
  5. 10. Carries blood towards the heart
  6. 11. The main organ that transports blood
  7. 13. Single celled organisms
  8. 14. most common type of blood cell
Down
  1. 1. carries blood to the cells, very small
  2. 3. A protein produced by the immune system
  3. 4. chamber that receives blood into the heart
  4. 5. A white blood cell that produces antibodies
  5. 8. Attach themselves to antigens
  6. 9. Largest artery
  7. 10. chamber that pumps blood out of the heart
  8. 12. A white blood cell that digests pathogens