THE RESPIRATORY SYSTEM

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Across
  1. 2. ANOTHER NAME FOR VOICE BOX
  2. 3. TRUE OR FALSE - A HORSE CAN BREATHES THROUGH HIS MOUTH
  3. 6. ANOTHER NAME FOR WINDPIPE
  4. 8. BONES COVERED IN MUCOUS MEMBRANE FOUND IN NASAL CAVITIES
  5. 9. THE WINDPIPE DIVIDES INTO TWO TUBES CALLED?
  6. 12. TYPE OF MEMBRANE THROUGH WHICH THE GASEOUS EXCHANGE TAKES PLACE
  7. 13. PART OF THE HORSES SKELETON THAT PROTECTS THE LUNGS
  8. 15. MICROSCOPIC HAIRS IN NASAL CAVITIES WHICH HELP TO TRAP DUST
  9. 16. DUST PARTICLES TRAPPED IN MUCUS EXPELLED THROUGH THE NOSTRILS WHEN THE HORSE COUGHS
Down
  1. 1. SLIPPERY MEMBRANE AROUND THE LUNGS THAT PREVENTS FRICTION
  2. 4. BONE WHICH PROTECTS THE HEART AND LUNGS AT THE FRONT
  3. 5. WASTE GAS BREATHED OUT
  4. 7. THE DIAPHRAGM AND LUNGS DO THIS WHEN THE HORSE BREATHES OUT
  5. 10. MILLIONS OF SINGLE AIR SACS IN THE LUNGS ARE CALLED WHAT?
  6. 11. MUSCULAR PARTITION THAT SEPARATES CHEST FROM THE ABDOMEN
  7. 14. PRINCIPAL AIM OF THE RESPIRATORY SYSTEM IS TO GET OXYGEN BREATHED IN BY THE HORSE TO WHERE?
  8. 17. THE DIAPHRAGM AND LUNGS DO THIS WHEN THE HORSE BREATHES IN