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Because the heart has to pump more oxygen than usual to your muscles

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14y ago

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Why would a Heart beat hard?

The heart beat can increase due to stress and exercise. There are many other factors that can increase heart rate.


Why the heart beat increase after exercise?

they release a significnat amount of the hormone thottieness before and after get tired


Why is skipping good for your heart?

It's not good at all.


What kind of exercise helps strengthen the heart and increase the endurance?

Cycling, swimming, running are three exercises that will increase the heart beat, open up the lungs, and increase the endurance and stamina.


Is it true that your liver beats faster when you exercise?

No, the heart beats faster during exercise. The liver doesn't beat at all.


Why do the heart beat became faster during and after a physical exercise?

To pump blood quickly for the body because the will be needing enough oxygen during the exercise


Does your heartrate increase or decrease during exercise or sleep?

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.


Your heart beat about 70 to 75 times per minutes when you are at rest.Our heart beats increases on decreases when you exercise why.?

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


Why does pulse rate increase during aerobic exercise?

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.


What is your maxiumim heart rate?

Your MHR is 220 minus your age it is the safe level your heart can beat per minute during exercise.


What is cardiovasculsr exercises?

exercise which tend to increase your heart-beat rate also enhances your respiratory system . these mostly include running


What is the organ that enables heart beat faster when you exercise?

The nervous system causes the heart to beat faster when you exercise. It itself is not an organ but a system.