During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. This makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it. The depth of breathing can be measured using a spirometer (a device that measures the volume of air inhaled and exhaled) The heart rate increases during exercise. The rate of breathing is measured by counting the number of breaths in one minute. After they do some exercise, record their rate of. Breathing every minute until it returns to the normal resting value.
Why Do We Breathe Faster When We Exercise – Answer & Related Questions
During exercise, physical fitness rises and muscle cells respire more than they do when the body is at rest. During exercise, the heart rate rises. As the rate and severity of breathing increases, more oxygen is absorbed into the blood and more carbon dioxide is removed from it.