THE RESPIRATORY SYSTEM

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