Chapter02 - A Systems Approach (Pulmonary & Cardiovascular)

Chapter02 - A Systems Approach (Pulmonary & Cardiovascular)

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Unformatted text preview: 1 Copyright 2011 American Col ege of Sports Medicine Pulmonary System Pulmonary System Copyright 2011 American Col ege of Sports Medicine Anatomy of the Pulmonary System Divides airway into groove- like air passages Covers airway when swal owing Below mouth & nasal cavity; Wilmore & Costill. Respiration and Acid-Base Balance. In: Training for Sport and Activity, 3 rd edition, 1988 food & air pass through 2 Primary components of the pulmonary system. Copyright 2011 American Col ege of Sports Medicine Mechanical Aspects of Breathing Wilmore & Costill. Respiration and Acid-Base Balance. In: Training for Sport and Activity, 3 rd edition, 1988 Lung Volumes 3 Air we breathe is a mixture of gasses Each exerts a pressure in proportion to its concentration 79 04% nitrogen (N Partial Pressure of Gasses Copyright 2011 American Col ege of Sports Medicine 79.04% nitrogen (N 2 ) 20.93% oxygen (O 2 ) 0.03% carbon dioxide (CO 2 ) %ages remain constant (even at altitude) Atmospheric pressure (sea level) is 760 mmHg 760mmHg x 20.93% (O 2 ) = 159 mmHg Q: Why is it difficult to breathe at altitude?...
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Chapter02 - A Systems Approach (Pulmonary & Cardiovascular)

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