Body Systems Vocabularies

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Across
  1. 3. filters salt, urea, and excess water from blood
  2. 4. carries oxygen to body cells and carbon dioxide to lungs
  3. 5. carries blood throughout the body
  4. 9. remove waste
  5. 11. best condition for enzyme to work
  6. 12. bags that are filled with oxygen when inhaling
  7. 14. the spot where enzyme and substrate fit
  8. 15. tube that carries food from mouth to stomach
  9. 18. carries blood away from the heart
  10. 20. has acid and churns to digest food
  11. 21. eliminates germs
Down
  1. 1. carries blood to the heat
  2. 2. absorbs nutrients from food
  3. 6. filters toxins and dead red blood cells from blood
  4. 7. tube that brings air from nose to lungs
  5. 8. enzyme changing shape due to pH or temperature
  6. 10. thin vessels that carry blood throughout the body
  7. 13. releases enzymes to help break down foods
  8. 16. a number from 0 to 14; less than 7 means acidic; greater than 7 means basic
  9. 17. molecules that fit into enzyme for a reaction
  10. 19. proteins that speed up chemical reactions