Mucolytic

Breaking down or hydrolyzing mucus or mucopolysaccharides [Houghton-Mifflin2011] to reduce mucus viscosity [Collins2014].

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  Pulmonary System

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  Garlic (Allium sativum)
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  Thyme (Thymus vulgaris)
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  Yarrow (Achillea millefolium)

[Houghton-Mifflin2011]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2011 by Houghton Mifflin Harcourt Publishing Company Retrieved June 5 2016 from http://medical-dictionary.thefreedictionary.com/mucolytic.

[Collins2014] Collins English Dictionary - Complete and Unabridged, 12th Edition 2014. Retrieved June 5 2016 from http://medical-dictionary.thefreedictionary.com/mucolytic.