________ are phagocytic cells that are permanent residents of specific tissues and organs.

Fill in the blank(s) with the appropriate word(s).


Fixed macrophages

Anatomy & Physiology

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What is the primary site for conditioning inhaled air?

A. Larynx B. Trachea C. Nasal cavity D. Pharynx E. Paranasal sinuses

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The cardiac sphincter is innervated by parasympathetic axons coming from the _______ plexus

A.   esophageal B.   abdominal aortic C.   pulmonary D.   hypogastric E.   cardiac

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The flexion of the elbow represents a ________ lever system.

A. class I B. class II C. class III D. class IV

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Which of the following prevents viral replication?

1.Macrophages 2.Interferon 3.Helper T cells 4.Plasma cells

Anatomy & Physiology