| A | B |
|---|
| nose | part of face centered above the mouth and below the space between the eyes |
| nasal cavity | hollow space between the nose |
| sinuses | hollow spaces in various bones of the skull |
| pharnyx | chamber behind the mouth cavity and between the nasal cavity and larynx |
| larnyx | enlargement at the top of the trachea |
| trachea | flexible tube that connects to the larnyx withthe bronchial tree |
| bronchial tree | branched tubes that lead from the trachea to the alveoli |
| lungs | soft, cone shaped organs that occupy a large portion of the thoracic cavity |
