Question

IV
D) II, IV
Read the table and identify the process which caused the
decrease in the percentage of oxygen in exhaled air.
Gas
% of inhaled air % of exhaled air
02
21
16
CO
0.03
4.4
A) Fermentation B) Glycolysis
C) Combustion D) Exchange of gases in alveoli​

Answer 1

Answer:

D) Exchange of gases in alveoli​

Explanation:

in alveoli O2 from air is exchanged with CO2 of tissue. so in air exhaled co2 content is more.

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