Examlex
Which of the following cells of the immune system are capable of phagocytosis?
Blood PH
The measure of the acidity or alkalinity of blood, maintained within a tightly controlled range of about 7.35 to 7.45 to ensure proper cellular function.
Cough Reflex
A rapid expulsion of air from the lungs typically triggered by irritation or obstruction in the air passages, serving as a protective mechanism to clear the trachea and bronchi.
Mucus
A slimy substance produced by mucous membranes and glands for lubrication and protection of various internal body surfaces.
Upper Respiratory Tract
Nasal cavity, pharynx, and associated structures.
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