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they release a significnat amount of the hormone thottieness before and after get tired
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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 does heart beat increase during exercise?
Because the heart has to pump more oxygen than usual to your muscles
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.
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.
Why does breathing increase when beginning exercise?
Because of the increase of pulse in your heart.
Does your heart have to beat more or less when you exercise?
More
Does exercise increase a child's heart rate?
yes
Does exersice increase the size of your heart?
No, exercise doesn't increase the size of the heart. Exercise does strengthen the heart so that you can become more active in life.
What type of exercise makes your heart beat the fastest?
runing
What causes a rapid heart beat?
An increase in the heart rate can be caused by a number of things. One is the increase in the blood coming back from the body to the heart. The increased volume of blood stretches the heart muscles causing a "reflex" increase in heart rate to accommodate the increased need for oxygen such as in the case of exercise. Another one could be the sympathetic control of the brain such as in periods of anxiety, fear or anger. Drugs can also increase your heart rate.
