The entire array of protective mechanisms in the respiratory system is called the

A) respiratory immunity.
B) macrophage complex.
C) respiratory defense system.
D) acquired respiratory defense.
E) mucus escalator.


C

Anatomy & Physiology

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A base is an electrolyte that releases ions that combine with hydrogen ions.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Gap junctions are absent between atrial and ventricular cells

Indicate whether the statement is true or false

Anatomy & Physiology

Experimental manipulation to increase the energy output of the cell might include

A. rupturing the lysosomes in the cell. B. decreasing nuclear size. C. removing some of the ribosomes. D. increasing the number of mitochondria. E. increasing protein synthesis.

Anatomy & Physiology

At the optic chiasm

A.  all axons from each optic nerve cross to the opposite side of the brain. B.  none of the axons actually cross to the opposite side of the brain. C.  ganglion cell axons from the medial region of each retina cross to the opposite side of the brain. D.  ganglion cell axons from the lateral region of each retina cross to the opposite side of the brain.

Anatomy & Physiology