Composition of exhaled air of a healthy adult human is
a) 78% Nitrogen, 21% Oxygen, 0.04% Carbon dioxide, 1% other gases and very little water vapour
b ) 51% Nitrogen, 16% Oxygen, 4% Carbon dioxide, 1% other gases and saturated with water vapour
c ) 51% Nitrogen, 16% Oxygen, 4 % Carbon dioxide, 1% other gases and very little water vapour
d ) 78% Nitrogen, 16% Oxygen, 4 % Carbond
e )ioxide, 1% other gases and saturated with water vapour.
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