| A | B |
|---|
| lungs | where air is taken in and pushed out; 2 lobes |
| larynx | the opening to the windpipe; voice box |
| nasal cavity | area between the roof of the mouth and the floor of the brain |
| bronchi | tube that branches off of the trachea and into the lung |
| alveoli | air sacs where O2 and CO2 are exchanged |
| pharynx | the throat |
| bronchioles | smaller tubes inside the lungs |
| epiglottis | flap of cartilage covering the opening to the trachea |
