I don't know if you have a feeling that your heart will speed up when you are doing strenuous exercise or running, and you will feel very flustered. What's going on?
Why does a person's heart beat violently when running? When will the heart beat faster?
In general, the heart can change the output of blood according to the needs of the body. When the demand is large, the speed of blood circulation in the whole body is greatly accelerated. What power does the heart rely on to increase its output? Let's take a look with Xiaobian.
The heart mainly adopts two methods: one is to speed up the beating of the heart; the other is to enhance the contractility of the heart.
Four seas entertainment tips you, the next page is more exciting!
Why does a person's heart beat violently when running? When will the heart beat faster?
When running, mountaineering and other strenuous exercises, the body muscles need more nutrients and oxygen than usual, so the output of the heart must increase accordingly. At this time, the sympathetic nerve is excited, the heart rate is accelerated, and the contraction strength is enhanced, so the heart rate will be fast, heavy, and very intense. Running seems to increase the burden on the heart, but it's good for the heart.
The heart just needs a certain load to improve its health, because when the heart redoubles its work, the blood flow of the coronary artery that supplies the heart itself increases greatly, and the heart itself also gets more nourishment and oxygen supply. The heart muscle is constantly strengthened in this "more work, more work".
Four seas entertainment tips you, the next page is more exciting!