| A | B |
|---|
| Respiration | Exchange of gases between living cells and the environment |
| Nose hairs | guard nasal cavity from large airborne particles |
| Nasal Cavity | Functions to warm and humidify air |
| Pharynx | passageway for food and air |
| Glottis | passageway for air |
| Larynx | contains true vocal cords |
| epiglottis | covers opening to glottis |
| false vocal cords | protect glottis from large foreign objects |
| Vocal cords | modulate air to produce sound |
| Trachea | passageway for air surrounded by cartilage rings |
| Alveoli | Where gas exchange takes place |
| Respiratory Membrane | Thin and Moist |
| Pulmonary Ventilation | Contraction of muscles causes pleural cavity to increase volume and Negative pressure causes air to be ?sucked in? |
