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

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