Exercise increases the heart rate, because the blood has to supply additional oxygen to the muscles.
It increases it... If you are talking about "HEART" rate
running
Cardiovascular or "Cardio" exercise increases heart rate. The word root "cardio-" means "heart".
basically your heart rate increase as the duration of excersise increases.
Jumping Jacks, and Squat Thrusts usually increases somebody's heart rate the most. It also depends on how long you do an exercise. ex: Running, if you run for 15 min that will get your heart rate up.
increases the heart rate
Heart rate increases.
It works the heart by increasing the beats thus making it stronger over time.
running, biking swimming speed walking
The intensity of any activity has an effect on the heart rate. For example, high impact exercise such as Zumba or running increases the heart rate, while a person at rest shows a decrease in heart rate.
It decreases because your heart no longer has to work as hard.