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SVETLANKA909090 [29]
3 years ago
12

______ are drugs that liquefy and dilute viscid secretions of the respiratory tract, thereby helping to evacuate those secretion

s.
Biology
1 answer:
Afina-wow [57]3 years ago
3 0

Answer:

I believe the answer to this question is “expectorants”.


I hope this helps.

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