During exercise, an individual's heart rate tends to increase steadily until . A. the athletic activity is completed and the cool down begins B. the individual begins to use advanced breathing techniques C. a level of consistent intensity has been reached D. none of the above Please select the best answer from the choices provided. A B C D

C. a level of consistent intensity has been reached

Step-by-step explanation:

When an individual is excercising or carrying out a strenuous task The individuals heart beat would increase steadily until he has achieved a level of consistent intensity. Intensity is that drive to show more energy, power, concentration and strength and being able to maintain this for a period of time is known as consistency.

c

Step-by-step explanation:

I took the test