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two spongy organs, located in the thoracic cavity enclosed by the diaphragm and rib cage, responsible for respiration


a cartilaginous structure at the top of the trachea


Commonly known as the throat


Structure of the upper respiratory tract that opens into the larynx

Resipitory System

Ensures that oxygen enters the body and carbon dioxide leaves the body


Structure of the upper respiratory tract that opens at the oral cavity


Another term used for breathing that includes both inspiration and expiration


Structure of the upper respiratory tract that opens above the soft palate


breathing out


Sudden noisy explosion of air from the lungs


Air is conducted from the atmosphere to the lungs by a series of cavities, tubes, and openings


Nostrils- opening that leads to the nasal cavity

cellular respiration

use oxygen and produce carbon dioxide by using energy from atp


Where the oral cavity opens


form protective ring at the junction of the oral cavity and the pharynx


flap of tissue that prevents food from passing into the larynx

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