Respiration Crossword

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Across
  1. 3. THE PART OF THE BODY WHICH INHALES THE MOST AIR
  2. 5. THE CHEMICAL FORMULA FOR THE SOLID MATERIAL NEEDED FOR RESPIRATION
  3. 6. THE NAME GIVEN TO THE MUSCLES BORDERING THE THORAX
  4. 8. THE PART OF THE BODY THAT RECEIVES SCENTS
  5. 13. THE GAS THAT LEAVES THE BODY THROUGH GAS EXCHANGE
  6. 14. THE PART OF THE BODY SOMETIMES CALLED THE WINDPIPE
  7. 16. THE EXTENSIONS OF THE TRACHEA
Down
  1. 1. THE AREA UNDERNEATH THE DIAPHRAGM S
  2. 2. THE SOLID MATERIAL NEEDED FOR RESPIRATION
  3. 4. THE CHEMICAL SYMBOL FOR THE GAS NEEDED FOR RESPIRATION
  4. 7. THE LIFE PROCESS THAT RELEASES ENERGY
  5. 9. THE NAME OF THE ORGAN SYSTEM WHERE RESPIRATION TAKES PLACE
  6. 10. WHERE GAS EXCHANGE TAKES PLACE
  7. 11. THE MUSCLE THAT INCREASES AND DECREASES PRESSURE IN THE LUNGS
  8. 12. THE BRANCHES THAT ARE ATTACHED TO THE ALVEOLI
  9. 15. THE TYPE OF BONE THAT PROTECTS THE THORAX