Respiratory System

123456789101112131415161718192021
Across
  1. 2. Has air sacs that are connected to the circulatory system via capillaries
  2. 3. air enters the lungs; inhale
  3. 5. meausures the amount of air moving in and out of the lungs
  4. 6. bones that divide the nasal cavity
  5. 8. enlargement at the top of the trachea, houses your vocal cords
  6. 14. Form of energy created during cellular respiration
  7. 17. air to blood exchange
  8. 18. space in the lungs for the heart
  9. 20. air leaves the lungs; exhale
  10. 21. Leads to the bronchial tree; windpipe
Down
  1. 1. part of the larynx consisting of the vocal cords
  2. 4. blood to tissue exchange
  3. 7. spongy tissue that sit within the pleural cavity
  4. 9. Space within the bones that reduce the weight of the skull.
  5. 10. disease where there is an overall lack of oxygen content within the body's tissue and vital human organs
  6. 11. keeps lungs from collapsing; lack of this makes the first breath hard for newborns
  7. 12. tiny air sacs in the bronchioles
  8. 13. Behind the oral cavity, between the nasal cavity and larynx
  9. 15. This flap closes when you swallow, preventing food from going into the airway
  10. 16. the amount of air that can be forced in or out by taking a deep breath
  11. 19. A gas that is exchanged during the process of respiration.