Ch 12 vocab

collections of lymph tissue in the nasopharynx (AKA pharyngeal tonsils)

air sac in the lung

uppermost portion of the lung

lower portion of the lung

smallest branches of the bronchi

branch of the trachea (windpipe) that is a passageway into the air spaces of the lung; bronchial tube

a gas produced by body cells when oxygen and food combine; exhaled through the lungs

thin hairs attached to the mucous membrane epithelium lining of the respiratory tract

muscle separating the chest and abdomen, most important muscle for breathing

lid-like piece of cartilage that covers the larynx

breathing out

opening to the larynx

midline region where the bronchi, blood vessels, and nerves enter and exit the lungs

breathing in

voice box

division of lung

region between the lungs in the chest cavity

gas that passes into the bloodstream at the lungs and travels to all body cells

one of a pair of almond-shaped masses of lymphoid tissue in the oropharynx

one of the air cavities in the bones near the nose

outer fold of pleura lying closest to the ribs and walls of the thoracic cavity

throat; composed of the nasopharynx, oropharynx, and laryngopharynx

double-folded membrane surrounding each lung

space between the folds of the pleura

the essential cells of the lung

windpipe

the inner fold of pleura lying closest to the lung tissue