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7th grade science ch 14 sec 3

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respiration
the bodily process of inhalation and exhalation
mucus
a thick, slippery substance produced by the body
cilia
short structures projecting from a cell and containing bundles of microtubules that move a cell through its surroundings or move fluid over the cell's surface
pharynx
throat
larynx
a cartilaginous structure at the top of the trachea
trachea
membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
bronchi
two short branches located at the lower end of the trachea that carry air into the lungs.
lungs
two spongy organs, located in the thoracic cavity enclosed by the diaphragm and rib cage, responsible for respiration
alveoli
tiny sacs of lung tissue specialized for the movement of gases between air and blood
diaphragm
The partition of muscles and membranes that separates the chest and abdominal cavities
vocal cords
folds of tissue within larynx that vibrate and produce sounds

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