Respiratory and Circulation Exam Revision

1234567891011121314
Across
  1. 4. What type of pressure decreases during inspiration? [9]
  2. 5. What are the tiny air sacs where gas exchange occurs? [7]
  3. 9. What is the name of the flap that prevents food entering the trachea? [10]
  4. 10. What is the term for breathing in? [11]
  5. 11. What feature of alveoli increases gas exchange efficiency (large area)? [7]
  6. 12. What gas is taken into the body during respiration? [6]
  7. 13. What muscle contracts to cause inspiration? [9]
  8. 14. What type of movement occurs in gas exchange (from high to low concentration)? [9]
Down
  1. 1. What smaller branches extend from bronchi? [10]
  2. 2. What surrounds alveoli to aid gas exchange? [10]
  3. 3. What gas is removed from the body during respiration? [13]
  4. 6. What is the normal volume of air inhaled in one breath called? [5]
  5. 7. What structure connects the larynx to the bronchi? [7]
  6. 8. What structures branch from the trachea into the lungs? [7]
  7. 9. What is the term for breathing out? [10]