Principles of Animal Physiology
Principles of Animal Physiology
Principles of Animal Physiology
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<strong>Principles</strong> <strong>of</strong> <strong>Animal</strong> <strong>Physiology</strong><br />
▪ Pulmonary Ventilation<br />
Respiratory System<br />
Respiratory Mechanics<br />
▸ Total pulmonary ventilation = minute ventilation =<br />
minute respiratory p yvolume<br />
▸ Minute ventilation = Tidal volume x respiratory<br />
frequency q y<br />
▸ If VE = 500 ml, f = 12 breaths/min, then VE (V dot E,<br />
minute ventilation) ) = 6000 ml/min<br />
▸ Alveoli ventilation = amount fresh air reaching<br />
alveoli per minute<br />
▸ VA (V dot A) = (VE -VD) x f , if VD = 150 ml then,<br />
▸ V dot A = (500 - 150) x f = 350 x 12 = 4200 ml/min
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