During exercise, your heart typically beats faster so that more blood gets out to your body. Your heart can also increase its stroke volume by pumping more forcefully or increasing the amount of blood that fills the left ventricle before it pumps.

What exercise affects heart rate the most?

One of the most popular forms of cardiovascular exercises is running and jogging. During this exercise you will increase your heart rate while maintaining a steady and constant pace.

How does exercise affect heart rate claim?

An explanation of the data is that as exercise increases, more oxygen is needed by the muscles for cellular respiration to produce more energy, so the heart must beat faster to supply the O2 to the muscles.