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The Road Symbolism Essay by Cormac McCarthy

Symbolism in The Road by Cormac McCarthy: Original Symbolism Essay of The Road including hope, fire, light, ashes, grayness and other symbols

Seven General Functions of the Respiratory System

What is the respiratory system? In general, the respiratory system is a biological system that contains organs and structures that assist in gas exchange. Gas exchange involves the movement of carbon dioxide and oxygen between our circulating blood and air. In this educational lesson, we explore seven general functions of our respiratory system.