ch 15 vocab

2. Tree-branching network of airways in the lungs that conducts air from the trachea to the alveoli, where gas exchange occurs. It consists of progressively smaller tubes
4. hollow space inside the nose that warms, moistens, and filters the air before it enters the lungs. It also helps with smell and voice resonance.
7. pressure exerted by a single gas in a mixture of gases
8. main organs of the respiratory system, responsible for taking in oxygen and removing carbon dioxide through breathing.
10. connects the nasal cavity and mouth to the larynx and esophagus. It helps with breathing, swallowing, and speech.
11. plays a key role in breathing, voice production, and protecting the airway during swallowing.
14. allows air to flow to and from the lungs during breathing
15. thin barrier in the lungs where gas exchange occurs between the air in the alveoli and the blood in the capillaries.

1. group of neurons located in the medulla oblongata of the brainstem that controls rythym of breathing
3. An air filled pocket in the lungs at the end of the respiratory tree. They expand during inhalation and deflate during exhalation.
5. maximum amount of air a person can exhale after taking the deepest breath possible
6. large airway that branches off from the trachea and carries air into the lungs
9. substance produced in the alveoli of the lungs that reduces surface tension
12. is a small airway in the bronchial tree that branches off from the bronchi and leads to the alveoli, where gas exchange occurs.
13. body system responsible for breathing and the exchange of gases, primarily oxygen and carbon dioxide