Comb shapes in chickens

9/16 walnut (R- P-)

3/16 rose (R- pp)

3/16 pea (rr P-)

1/16 single (rr pp)

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#Id: 3153

#Unit 7. System Physiology – Animal

Vital lung capacity the maximum amount of air expired from the fully inflated lung, or maximum inspiratory level (about 4600 mL)

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#Id: 3154

#Unit 7. System Physiology – Animal

Vital capacity = Inspiratory reserve volume + tidal volume + expiratory reserve volume

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#Id: 3155

#Unit 7. System Physiology – Animal

Total lung capacity the maximum volume to which the lungs can be expanded with the greatest possible effort (about 5800 mL)

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#Id: 3156

#Unit 7. System Physiology – Animal

Total lung capacity =Vital capacity + Residual volume

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#Id: 3157

#Unit 7. System Physiology – Animal

Residual volume cannot be measured by Spirometry (lung capacities that include the residual volume also cannot be measured by spirometry)

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#Id: 3158

#Unit 7. System Physiology – Animal

The fraction of the vital capacity expired during the first second of a forced expiration is referred to as FEV 1