Pneumothorax is a collection of in the chest or pleural space that causes part or all of a lung to collapse.
A. air
B. blood
C. fluid
D. pus
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Posteriorly, the nasal cavity with the nasopharynx, which in many respects may be regarded as the posterior portion of the cavity.
A. intimidates
B. stimulates
C. contraindicates
D. communicates
____means the temporary cessation of breathing.
____means decreased carbon dioxide in the tissues.
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