Resp. System Part Functions
Nose: Warm/filter air
Sinuses: Warm/ moisten air. Determines voice tone. – Frontal – Maxillary – Ethmoid – Sphenoid
Pharynx: Common passageway for food, air, and water. 5” long.
Epiglottis: Closes over the larynx when swallowing.
Larynx: Voice box (very sensative)
Glottis: Vocal cords
Trachea: Wind pipe. 4.5” long. Rings of hyaline cartilage keep it open. Lined with a mucous membrane.
Bronchi: Branches of trachea. Similar to trachea.
Bronchioles: Branch of bronchi. Thin walls of smooth muscle.
Alveoli: Air sacs. Single layer of epithelial tissue. High humidity.