respiratory system

Question 1

1. the areas below the nasal cavity and above the trachea

Answer 1

larynx

Question 2

8. the area behind the nasal cavity is called the

Answer 2

pharynx

Question 3

9. how is the bronchus related to the trachea

Answer 3

the bronchus is one of the branches of the trachea

Question 4

18. in gas exchange of cellular respiration — passes from a body cell into the blood

Answer 4

carbon dioxide

Question 5

19. under optimal conditions the respiratory system removes —- and —- from the body

Answer 5

carbon dioxide; water

Question 6

23. under normal conditions when the diaphragm contracts, air pressure in the chest ___

Answer 6

decreases

Question 7

28. the movement of air into and out of the lungs is called

Answer 7

breathing

Question 8

35. the diaphragm is the muscle that relaxes each time we __ so that the lungs can ___

Answer 8

exhale; decrease in size

Question 9

38. the amount of air that moves in and out of the lungs when you take a normal breath is the

Answer 9

tidal volume