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respiratory system

functions of the organs in the respiratory system

Nasal cavity Air is filtered and warmed. Dust and pathogens are removed from the air.
Pharnyx Air is filtered and warmed
Larnyx This is the voice box. Vocal cords vibrate as air passes over them to produce sound.
epiglottis The flap of tissue that closes when you swallow food to prevent choking.
Trachea The tube with cartilage rings that give support and protection. Air travels to the lungs through this tube.
Cilia Tiny hairs that line the trachea and bronchi. These filter air as it passes to the lungs
Bronchi/bronchioles Carry warm , and filter air on the way to the lungs. These become inflamed during an asthma attack.
Lungs Holds air, contain alveoli
Alveoli Site of gas exchange. Oxygen diffuse into the lungs and carbon dioxide diffuses out of the blood and into the lungs to be released.
Diaphragm Changes air pressure in the chest cavity to allow air to enter and leave the lungs.
Created by: Dcrawford