During heavy exercise the breathing rate of a person slows down. (T/F)

Answer

False

Explanation

During exercise, the muscle cells need more oxygen to sustain their work This results in an increase in breathing and heart rate because both the lungs and the heart work extra to keep up with the ever growing need of oxygen.

The lungs absorb more oxygen and the muscle cells receive more blood and thus the oxygen demand is satisfied.
Therefore this statement is false.