Because the heart has to pump more oxygen than usual to your muscles
The heart beat can increase due to stress and exercise. There are many other factors that can increase heart rate.
they release a significnat amount of the hormone thottieness before and after get tired
It's not good at all.
Cycling, swimming, running are three exercises that will increase the heart beat, open up the lungs, and increase the endurance and stamina.
No, the heart beats faster during exercise. The liver doesn't beat at all.
To pump blood quickly for the body because the will be needing enough oxygen during the exercise
Your heart rate decreases during rest because you aren't moving as fast and are relaxing, while doing exercise makes your heart go faster because you are moving quicker so the heart pumps more blood into your system.
when we exercise our heart beat increases due to the reason that during exercise the body need more oxygen which is carried by blood so more and more blood carrying oxygen is to move to the part for which we are doing exercise and so more of the work heart have to do to pump the blood so ultimately our heart beat increases
Your heart has to beat faster to circulate your blood which carries oxygen to cells. During exercise your cells need more oxygen (the ones being used at least) so your heart must provide them with more oxygen, hence the faster heart rate.
Your MHR is 220 minus your age it is the safe level your heart can beat per minute during exercise.
exercise which tend to increase your heart-beat rate also enhances your respiratory system . these mostly include running
The nervous system causes the heart to beat faster when you exercise. It itself is not an organ but a system.