Systems

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Across
  1. 1. reaction in the cells that produces energy from oxygen and nutrients
  2. 5. have a rich supply of blood vessels, found in the lungs
  3. 6. type of blood vessel that exchanges materials with our cells
  4. 7. type of blood vessel that carries oxygenated blood from the heart to all parts of our body
  5. 8. food-carrying tubes
  6. 10. process of taking in and giving out air
  7. 12. gas that is essential to all living things for survival
  8. 14. muscle
  9. 16. liquid that transports oxygen around our body
  10. 17. strong muscular organ that pumps blood all the time
  11. 18. water-carrying tubes
Down
  1. 2. tiny openings found mainly on the underside of the leaves
  2. 3. food-carrying tubes transport food (glucose) made in the _____ to the other parts of the plant
  3. 4. fishes take in dissolved oxygen through their _____
  4. 6. plants produce this gas when they make their own food via photosynthesis
  5. 9. one cycle of contraction and relaxation of the
  6. 11. type of blood vessel that carries deoxygenated blood from all parts of our body to the heart
  7. 13. most abundant gas in the air
  8. 15. water-carrying tubes carry water and mineral salts from the _____ to the other parts of the plant