| A | B |
|---|
| alveolar (gum) ridge | “bump” in the gums behind the upper teeth, separating gums from hard palate |
| aveoli | air sacs in the lungs; they have thin walls to allow the exchange of oxygen & carbon dioxide between inhaled air & blood gases |
| bronchus | one of two branches of the trachea / windpipe that lead to the lungs (plural: bronchi); also called "bronchial tube" |
| diaphragm | a tough muscle attached to the bottom of the lungs, above the abdomen & attached to the spine; it is the main muscle of the breathing process |
| esophagus | the food canal, behind the trachea, leading to the stomach |
| larynx | voice box, “Adam’s apple,” a knot of cartilage that contains the vocal folds |
| lips | soft tissues on outside of the mouth, flexible enough to shape air flow & to grasp food |
| lung | an inflatable sac of tissue inside the ribcage, which expands as air enters the body and deflates as air exits |
| nasal cavity | opening above the hard palate from pharynx to nostrils |
| palate | roof of the mouth, hard in front, soft toward the back |
| pharynx | technical term for the throat (from back of tongue to the trachea) |
| teeth | hard structures used for tearing & chewing food as well as directing air flow for speech |
| tongue | strong, flexible appendage attached to the floor of the mouth necessary for taste, swallowing & shaping air flow for many speech sounds |
| trachea | the windpipe, a tube by which air is directed to the lungs |
| uvula | the pointed end of the soft palate that hangs down toward the back of the tongue |
| vocal folds | two thin bands of tissue that stretch across the larynx; they close when we swallow to prevent food from entering the windpipe; they vibrate to create speech. |
