THE RESPIRATORY SYSTEM . C16L1 Part 1. The Respiratory System. What does the respiratory system do? How do the parts of the respiratory system work together? How does the respiratory system interact with other body systems?. Functions of the respiratory system . breathing
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The Respiratory System
Inhale / Inspiration
Exhale / Expiration
nasal septum: separate the two nasal cavities
Cilia line the nose and most other airways in the respiratory system.
If anything irritates nasal membranes, it stimulates sneezing.
a thick, sticky substance that filters the air entering the body
The pharynxis a tube-like passageway at the top of the throat that receives air, food, and liquids from the mouth or nose.
(voice box) short passageway from the pharynx to the trachea
walls consist of cartilage pieces held together by several muscles and ligaments
a pair of membrane folds in the larynx
The more superior set, called the false vocal cords, functions primarily to protect the glottis.
The inferior set, the true vocal cords, produces the voice.
vocal chords in females are thinner and shorter (they vibrate more rapidly)
vocal chords in males are thicker and longer (they vibrate more slowly)