| A | B |
|---|
| external nares | openings to the nasal cavity |
| nasal vestibule | part of nose just inside the nostrils |
| pharynx | shared by both respiratory and digestive tracts |
| hard palate | this separates the nasal and oral cavities |
| glottis | passageway from pharynx to larynx |
| epiglottis | flap of cartilage that covers trachea |
| primary bronchi | trachea branch into these |
| alveoli | part of lung where gas exchange occurs |
| three | number of lobes in the right lung |
| nasopharynx | part of pharynx behind the nose |
| larynx | voice box |
| cilia | these line the respiratory tract and move mucous up and out |
| throat | pharynx is also known as this |
| trachea | windpipe |
| asthma | excess bronchoconstriction causes this |
| two | number of lobes in left lung |
