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Labweeks Health
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2y
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LabWeeks
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Health
Medical
Medical Laboratory Science
Science Student
Viral Infection
Bacterial Infection
Intestinal Parasites
Dry Nose
Nasal Passages
White Blood Cells
Phlegm, a liquid secreted by mammalian mucous membranes. Its definition is limited to the mucus produced by the respiratory system, excluding the mucus produced by the nasal passages, and especially the mucus expelled by coughing (sputum).
LabWeeks
Labweeks Health