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Finally , patients who are ill enough to require intubation also have disease - associated impairments in systemic host defense , which add to the impairments caused by the use of an artificial airway .
 Anatomy: airway
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: airway