| A | B |
|---|
| What is at the lower end of the pharynx? | A pair of tubes trachea and esophagus |
| Where does the trachea lead to? | The lungs |
| Where does the esophagus lead to ? | the stomach |
| What is on top of the trachea? | larynx ( voice box) |
| What does the larynx look like? | triangular in shape and points forward |
| What is the larynx called when you swallow? | Adams Apple |
| What is the glottis? | At the upper end of the larynx a slit running front to back |
| What is the epiglottis? | A valve that closes off the glottis when you swallow food or water so food doesn't go into the lungs |
| What is stretched across the larynx? | vocal cords |
| How do the vocal cords produce sound? | We stretch the vocal cords at the same time exhaling air which vibrate the vocal cords to make sound |
| What is the quality of one's voice affected by? | size and shape of the larynx, nose, mouth, pharynx and sinuses |
| What are sinuses? | cavities within the skull bones that drain into the nasal cavity |
| How is the tracheae held open? | U-shaped rings of cartilage in the wall |
| What is the trachea covered with? | cilia and mucus , the cilia sweep the dirt upward inot the mouth and throat cavity where it can be swallowed and eliminanted |
