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término		definición
Nasal passages empezar lección		The hollow spaces in the nose through which air flows, responsible for filtering, moistening and warming air.
Mouth empezar lección		Secondary starting point of the respiratory system after the nasal passage.
Larynx empezar lección		The area of the throat that contains the vocal cords. (AKA voice box)
Lung empezar lección		Organs that expand and contract through which an animal gets oxygen from the air and exchanges it for Carbon Dioxide.
Bronchus empezar lección		One of the two tubes (bronchi is plural) that branch off to connect the lungs with the trachea.
Diaphragm empezar lección		A dome-shaped muscle beneath the lungs that helps with breathing. It moves down when we inhale and up when we exhale.
Pharynx empezar lección		A passage from the mouth to the larynx.
Trachea empezar lección		The tube that connects the larynx to the lungs.
Bronchiole empezar lección		Tiny airways in the lungs that lead from the bronchi to the alveoli.
Alveoli empezar lección		any of the tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged.

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