Breathing

Biology

FACTORS AFFECTING RATE OF BREATHING IN HUMANS

FACTORS AFFECTING RATE OF BREATHING IN HUMANS

Factors that cause a decrease or increase in energy demand directly affect rate of breathing.

Exercise, any muscular activity like digging.
Sickness
Emotions like anger, flight

Effects of Exercise on Rate of Breathing

Students to work in pairs.
One student stands still while the other counts (his/her) the number of breaths per minute.
The student whose breath has been taken runs on the sport vigorously for 10 minutes.
At the end of 10 minutes the number of breaths per minute is immediately counted and recorded.
It is noticed that the rate of breathing is much higher after exercise than at rest.