(a) Why does anaerobic respiration of a given substrate yield smaller amount of energy
than aerobic respiration. (2mks)
(b) Give the function of the following features found in the wall of trachea and bronchi in
a mammal.
(i) Ciliated cells (1mk)
(ii) Mucus secreting cells (1mk)
(c) State two reasons why blood leaving the lungs may not be fully oxygenated.

Answer rating: 100% (QA)

Solution a Some energy locked up in intermediate products like ethanol plants and lac... View the full answer