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Increasing opportunity cost tends to occur if
Larynx
The hollow muscular organ forming an air passage to the lungs and holding the vocal cords; the voice box.
External Nares
The external openings of the nasal cavity, commonly known as nostrils, through which air enters and exits.
Trachea
Air tube extending from the larynx into the thorax, where it divides to form the bronchi; composed of 16–20 rings of hyaline cartilage.
Nasal Conchae
Curved bony projections located within the nasal cavity that help to increase the surface area for humidifying and filtering inhaled air.
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