Respiratory system

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Across
  1. 2. is a flap of tissue that covers the opening to the larynx .
  2. 3. trachea branches into two large tubes which lead to the lungs
  3. 4. Carbon dioxide in the blood is found as a _______ in the red blood cells .
  4. 8. the mechanical movement of air into and out of your lungs.
  5. 9. Hairlike structures trap foreign particles from the air and sweep them toward the throat.
  6. 10. Uncontrolled cell growth in lung tissue can lead to a persistent cough , shortness of breath , bronchitis , or pneumonia , and can lead to death
  7. 11. bronchus branches into smaller tubes.
  8. 13. Alveoli break down, resulting in reduced surface area needed for gas exchange with the alveoli’s blood capillaries.
  9. 15. the exchange of gases between the blood and the body’s cells.
  10. 16. the windpipe
  11. 17. Respiratory pathways become infected , resulting in coughing and production of mucus.
  12. 18. The flow of the air out from the greater pressure of the lungs .
Down
  1. 1. beneath the cilia in the nasal passages , warm and moisten the air while trapping foreign materials
  2. 5. bronchioles branches into even smaller passageways, which end in individual air sacs called
  3. 6. It is the act of taking air into the lungs
  4. 7. Infection of the lungs causes the alveoli to collect mucous material .
  5. 12. the exchange of gases between the atmosphere and the blood.
  6. 14. Respiratory pathways become irritated , and bronchioles constrict