Respiration and Transportation

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Across
  1. 2. The tube that carries air to the lungs.
  2. 3. Network of tiny blood vessels
  3. 6. The movement of materials from one part of the body to another.
  4. 9. Muscle separating chest and abdomen in breathing.
  5. 12. Gas taken in during respiration
  6. 13. Network of tiny blood vessels connecting arteries and veins.
  7. 15. Blood vessels that carry blood away from the heart.
  8. 16. Process by which plants lose water vapour.
  9. 19. three-carbon molecule formed first
  10. 20. Tiny air sacs in the lungs where gas exchange occurs.
Down
  1. 1. Red pigment in blood that carries oxygen.
  2. 4. Tiny pores present on leaves.
  3. 5. Upper chamber of the heart
  4. 7. The process of breakdown of food to release energy.\
  5. 8. Liquid part of blood.
  6. 10. Blood vessels that carry blood toward the heart.
  7. 11. The respiratory pigment in plants.
  8. 14. Organ used for breathing in humans
  9. 17. Tissue Transporting water in plants
  10. 18. The organ that pumps blood throughout the body