Answer: Heart rate
Explanation:
The cardio activities increases the head rate and also the blood circulation in our body. Our heart is the type of muscles, so when we doing cardio activities automatically our heart start pumping faster. The different types of exercise and cardio activities helps blood vessels to lower and also faster the pressure of the blood in human body.
The cardiovascular and the aerobic exercise are also faster the rate of heart beat because it strengthens the muscles in our body and helps our heart to jump more efficiently.
