Question

Breathing rate is_____________
during an exercise​

Answer 1

Answer:

20 -25 per sec

during exercise

Answer 2

Answer:

During exercise, your lungs and respiratory system must provide more oxygen to the blood. You will breathe harder and faster because: Respiratory muscles are stimulated by sympathetic nerves in order to increase the rate of breathing. If the exercise is intense, breathing rates may increase from a typical resting rate of 15 breaths per minute up to 40 – 50 breaths per minute. Hence, during heavy exercise, the breathing rate can increase up to 25 times.

So, the correct option is '25 times'.

please mark as me brainlist and become my follower