S2 Transport

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Across
  1. 3. Cell fragments that help blood clot
  2. 4. Cells that fight disease
  3. 7. Blood low in oxygen
  4. 9. Process where plants lose water vapour from leaves
  5. 11. Cells that carry oxygen in the blood
  6. 12. Chemical in red blood cells that carries oxygen
  7. 14. Blood vessell which contains valves
Down
  1. 1. Structure that prevents backflow of blood in the heart
  2. 2. Blood vessel with very thin walls for exchange of substances
  3. 5. Liquid part of blood that carries dissolved substances
  4. 6. Pumps blood around the body
  5. 8. System made of heart, blood and vessels
  6. 10. Tubes in plants that carry water and minerals
  7. 13. Type of blood vessel that carries blood away from the heart