Question

Breathing rate ........... during physical exercise.

• A. Increases
• B. Decreases
• C. Remains same
• D. Decreases then increases

Answer 1

The correct option is A Increases

Breathing rate is defined as the no. of times a person breathes in one minute. It increases during physical exercise to fulfill the increased demand for oxygen in the body caused by the increase in the metabolic rate.

So, the correct answer is option A.