Respiratory System

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The respiratory membrane consists primarily of

The breathing process is called

The hard palate separates the

The ligaments in the larynx that are relatively inelastic and help prevent foreign objects from entering the glottis are the

A necessary condition for normal gas exchange in the alveoli is

The movement of gases into the blood from the lungs occurs by

Air entering the body is filtered, warmed, and humidified by the

Structures in the trachea that prevent its collapse or overexpansion as pressure changes in the respiratory system are