Yes.
running
Your pulse rate is your heart rate.
If your heart rate increases AFTER running, there is something wrong and you need to see your doctor. Heart rate increases WHILE you are running, and should start to come down after the running stops.
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Why does the rate of heartbeat change?
Running increases the body's need for oxygen. The heart rate speeds up to deliver more oxygen to the body. The pulse increases.
The need for oxygen and nutrients increases the need for faster blood flow.
It slows down back to normal. Your heartbeat increases as you run, and it slows down as you slow down. Your cells don't need as much oxygen to fuel your cells when you're walking as when you're running. So, your heart doesn't pump as fast when you stop running. Therefore your lungs don't need to supply as much oxygen, so your breathing slows down.
When heart rate increases, there is less time for the heart to fill with blood before it contracts again. This results in a decrease in the amount of blood pumped out with each heartbeat, known as stroke volume.
Generally,the heartbeat rate of any mammal is calculated as below heartbeat rate(pm) = 241/fourth root of mammal in Kg The weight of rat varies from 450 gm to 650 gm(male weigh more than female). when we calculate with maximum weight of 650 gm ,the heartbeat comes around 272/min and as weight decreases ,the heartbeat rate increases.
running, biking swimming speed walking