Percentage of O2 present in inhaled air in man is about
A) 21%
B) 78%
C) 1%
D) 43%
Correct Answer:
Verified
Q2: The narrowest and most numerous tubes of
Q3: The exchange of gases in a mammal
Q4: Volume of air inspired and expired with
Q5: Tidal volume of air in a normal
Q6: The maximum possible volume of air, which
Q8: Oxygen is transported in blood mainly by
A)leucocytes
B)erythrocytes
C)thromobocytes
D)blood
Q9: Asthma is a respiration disease caused due
Q10: Mountain sickness results due to
A)anaemic hypoxia
B)arterial hypoxia
C)lack
Q11: Which one of the following is the
Q12: The process of the escape of liquid
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