Ch#11 Transport in Humans

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Across
  1. 6. Blood passes through the heart twice per circuit
  2. 8. Lower chamber of the heart
  3. 9. Large vein returning blood to heart
  4. 10. Main artery carrying blood from heart to body
  5. 12. Brings oxygenated blood from lungs to heart
  6. 13. Fragments that help in clotting
  7. 14. System that transports substances in humans
  8. 17. Liquid part of blood transporting substances
  9. 19. Carries blood from heart to lungs
Down
  1. 1. Cells that fight infections
  2. 2. Structure preventing backflow of blood
  3. 3. Blood vessel carrying blood to the heart
  4. 4. Supplies blood to heart muscles
  5. 5. Upper chamber of the heart
  6. 7. Muscular organ that pumps blood
  7. 11. Blood vessel carrying blood away from heart
  8. 14. Tiny blood vessel for exchange of substances
  9. 15. Carries oxygen using haemoglobin
  10. 16. Clear fluid that drains tissue spaces and returns to blood
  11. 18. Red pigment that carries oxygen