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Mechanics Of Respiration, Diagram
Photograph - Photograph
Mechanics of respiration. Cutaway diagrams showing the mechanics of breathing in (left) and breathing out (right). Arrows show the movement of air in and out of the nose, mouth and trachea; the expansion and contraction of the rib cage and the abdomen; and the contraction and relaxation of the diaphragm (the sheet of muscle between the chest and the abdomen).
May 9th, 2013
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