Biology Crossword

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Across
  1. 3. where anaerobic respiration takes place
  2. 5. made from 20 different amino acids
  3. 7. thick sheet of muscles separating heart and lungs from the rest of organs
  4. 9. where gas exchange takes place
  5. 11. variable that can be measured
  6. 12. toxic product that causes fatigue and cramps
  7. 13. short-term carbohydrate energy storage
  8. 15. lackage of iron in a diet
Down
  1. 1. long-term energy storage
  2. 2. a network of blood vessels
  3. 4. treatment that reduces inflammation, making airways less sensitive
  4. 6. net movement of particles in a liquid or gas down a concentration gradient,from higher concentration to lower concentration
  5. 8. where aerobic respiration takes place
  6. 10. carries oxygen to body tissues and remove carbon dioxide
  7. 14. the total amount of food consumed by a person