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It speeds up.

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13y ago
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Q: What happens to the heart rate when one is startled?
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Related questions

What is the relationship between Resting Heart Rate and Maximum Heart Rate?

they both have to do with a heart


what is heart rate pulse rate?

How many times your heart beats in one minute


Which sports raises your heart rate?

mainly outdoor sports where the physical workout is more raises heart rate. This happens due to the energy consumption during play,our body need more oxygen, so we breathe heavily and due to this more blood pumps in and out so heart rate raises.


What is Max senior heart rate?

Maximal heart rate is the highest number of times per minuet that your heart could contract within one minuet. A heart rate for an senior is about 120- 160 BPM


Does One's heart rate increase during listening to house music?

your heart rate raises when listening to "loud" music...


What is radial heart rate?

A radial heart rate is one that is measured over the radial artery, which is easiest found in the wrist.


What will you do if you had no heart rate monitor but want to measure your heart rate?

Put your hand over your heart. In one minute, count the beats. Keep doing so.


Does Amazon sell good, cheap running heart rate monitors?

Yes Amazon does sell running heart rate monitors. A cheap one is the Garmin Heart-Rate Monitor only $39.25+tax. If you want one that's built into a watch then a cheap one would be the Polar RS100 Heart Rate Monitor and Stopwatch new for $66.39+tax.


How does meditation and deep beathing affect heart rate?

In general, after a bit of practice, meditation and *slow* deep breathing slow the heart rate. If one breaths deep and fast, the heart rate will increase.


Exercise Heart Rates?

Everyone knows that exercise is heart-healthy, but not as many realize that knowing one's heart rate during exercise can make exercise more efficient. To increase cardiovascular endurance and health, heart rate must reach a rate of 65% to 85% of the individual's maximum heart rate. A rough estimate of maximum heart rate can be determined by subtracting one's age from 220. The Kavoren Formula, among others, may provide more accurate estimations. These formulas can be easily found online. A heart rate monitor is useful to monitor heart rate while exercising.


What are the symptoms of Heart Blocks?

When one has a heart block, he will have a low heart rate, difficulty breathing, fatigue and cyanosis.


What should be your exercising heart rate for kids?

i actually just saiyin that you can search the resting heart rate and maybe it'll show the exercising one