Cellular respiration involves a series of chemical
reactions. The enzymes increase the rate of the reactions. So option “B” is the
correct option as far as the given question is concerned. The reactions that
are catalysed by enzymes actually helps the organism to grow, respond to
various changes in the environment, reproduce and continue maintaining their
own structures. Cellular respiration is also considered a part of the
metabolism process. This process actually helps in carrying the oxygen through
the blood.
