Answer:
(a) Tidal Volume (TV)
is the volume of air inspired or expired during normal breath. This is about
500 mL, i.e., a healthy man inspire or expire about 6000 to 8000 mL of air per
minute.
(b) Residual Volume
(RV) is the volume of air remaining in the lungs even after a forcible expiration.
It is about 1100 mL to 1200 mL.
(c) Asthma It is a
disease caused due to an allergic reaction to foreign substances. The major
symptoms are difficulty in breathing causing wheezing and coughing. Due to the
inflammation of bronchi.
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