| A | B |
|---|
| nasal cavity | a large fluid filled space above and behind the nose in the middle of the face |
| mouth | receives food and begins digestion |
| pharynx (throat) | a tube that extends from the mouth and nasal cavities to the larynx. Food and gas pass through the pharynx |
| epiglottis | a flap of elastic cartilage tissue covered with a mucus membrane, attached to the root of the tongue |
| thyroid cartilage (adam’s apple) | the largest part of the cartilage structure in and around the trachea that contains the larynx |
| trachea (windpipe) | a tube that connects the larynx (voice box) with the bronchial parts of the lungs |
| lungs | organs of respiration, they transport oxygen from the atmosphere into the bloodstream, and release carbon dioxide from the bloodstream into the atmosphere |
| pleura | body cavity around the lungs |
| bronchial tubes/bronchi | tubes that branch from the trachea and lead to the lungs |
| bronchioles | small airways/tubes branching off the bronchi. They look like upside down trees |
| alveoli | tiny air sacs within the lungs where oxygen and carbon dioxide are exchanged. They look like bunches of grapes |
