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Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases2 Marks
Question
Distinguish between:
Inspiratory capacity and Expiratory capacity.
✓

Answer

 
Inspiratory capacity
(IC)
 
Expiratory capacity
(EC)
1.
It is the volume of air that can be inhaled after a normal expiration.
1.
It is the volume of air that can be exhaled after a normal inspiration.
2.
It includes tidal volume and inspiratory reserve volume.
IC = TV + IRV
2.
It includes tidal volume and expiratory reserve volume. 
EC = TV + ERV

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