The inherent leakiness of the sinus nodal fibers to sodium and calcium ions causes their self-excitation.

TLS Online TPP Program

#Id: 3151

#Unit 7. System Physiology – Animal

Functional residual capacity the amount of air that remains in the lungs at the end of normal expiration

TLS Online TPP Program

#Id: 3152

#Unit 7. System Physiology – Animal

Functional residual capacity is composed of the expiratory reserve volume & the residual volume & is approximately 2300 mL

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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)

TLS Online TPP Program

#Id: 3156

#Unit 7. System Physiology – Animal

Total lung capacity =Vital capacity + Residual volume