The respiratory system

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Across
  1. 6. it separates the thoractic cavity from the abdominal cavity.
  2. 8. the maximum amount of air a person can expel from the lungs.
  3. 11. An important part of the respiratory sysem that exchange oxygen and carbon dioxide to and from the blood stream.
  4. 13. an inflamation in the lining of your bronchial tubes. People who have this often cough up thick mucus.
  5. 14. aids optimal functioning of the lungs during breathing.
  6. 15. a condition in which your airways narrow and swell and produce extra mucus.
  7. 16. brings air into the body and filters it using hairs before the air gets to the lungs.
  8. 18. allows enhaled air in the nasal cavity to go into the respiratory tract.
Down
  1. 1. It connects the larynx to the bronchi of the lungs. it also plays a role in letting air flow to and from the lungs for respiration
  2. 2. keeps the alveoli open even after maximum expiration.
  3. 3. leaf shaped flap of cartilage located behind the tongue and at the topof the larynx.
  4. 4. It ensures that incoming air is supplied to each alveolus
  5. 5. brings air into the lungs and moistens it.
  6. 7. a tough, flexible segment of the repiratory tract that connects the pharynx to the trachea in the neck. also known as the voice box.
  7. 9. extentions of the windpipe that shuttle air to and from the lungs.
  8. 10. smallest blood vessels in the body connecting the smallest arteries to the smallest veins. Plays a central role in circulation.
  9. 12. A typeof cancer that begins at your lungs. it is one of the most common forms of cancer.
  10. 17. an infection that causes inflamation in the air sacs of the lungs caused by bacteria, viruses and fungi.