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APD - Chapter 13

Anatomy, Physiology, and Disease: Chapter 13

Small air sacs in the lungs where oxygen and carbon dioxide are exchanged. alveoli
Wind pipe trachea
Site of bifurcation (The Split) to the mainstem bronchi in the lungs carina
The voice box larynx
The throat; contains the passageways for food and for inhaled and exhaled air. pharynx
Large divisions of the lung, visible on the outer surface lobes
Small hairs that flow in waves to move foreign particles away from the lungs cilia
Covers the outer surface of the lungs and lines the inner surface of the rib cage. pleura
Muscular sheet that divides the thoracic cavity from the abdominal cavity. Most important ventilation muscle. diaphragm
Tubular air passages that branch off the trachea to the right and left and enter each lung. They carry inhaled and exhaled air to and from the lungs. bronchi
Small tubular air passageways that branch off the bronchi. They carry inhaled and exhaled air to and from the alveoli. bronchioles
The paired external openings of the nasal cavity. nares
Lid-like structure that seals off the larynx, so that swallowed food goes into the esophagus. epiglottis
The bulk movement of gas into and out of the lungs. ventilation
The process of gas exchange at the lungs or tissue sites. Oxygen and carbon dioxide are exchanged in the alveoli during external respiration. Oxygen and carbon dioxide are exchanged at the cellular level during internal respiration. respiration
Created by: crazedsmyle



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