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1. BREATHING 2. CURRICULUM CONTENT  8.3 Gas exchange  Core  • List the features of gas exchange surfaces in animals  • Identify on diagrams and name the larynx,…

Documents Cough and expectoration zhengcuixia. Concept A protective reflex act clean excessive secretion &...

Cough and expectoration zhengcuixia Concept A protective reflex act clean excessive secretion & foreign material Initiated by miscellaneous stimuli or by voluntary exertion.…

Documents Cough and expectoration

Cough and expectoration zhengcuixia Concept A protective reflex act clean excessive secretion & foreign material Initiated by miscellaneous stimuli or by voluntary exertion.…