Respiration

12345678910
Across
  1. 3. what does aerobic respiration pathway depends on
  2. 4. where does the breakdown of pyruvate using oxygen takes place
  3. 6. mechanism by which gases move between blood and air
  4. 9. the trachea branches off into two
  5. 10. a six carbon molecule broken down into pyruvate during respiration
Down
  1. 1. what is the respiratory pigment
  2. 2. balloon like structure which provides surface for exchange of gases
  3. 5. muscle below lungs that contracts during inhalation
  4. 7. in humans air is taken into the body through the
  5. 8. region of respiratory system that contains the vocal cords