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Why does a child`s heart beat faster than an adult`s?

psychokitty said:

And coming to think on this subject ….. why do small creatures (birds mouse. etc.) have a heart rate much faster than the large creatures? On my little derivative and I were listening to our hearts with a stethescope … and a 4 beat of his heart is a lot faster than mine. We already talked about how exercise increases your heart rate. But I had no good answer to "why" when he wanted to know why our heart rates were so different.

One Response to “Why does a child`s heart beat faster than an adult`s?”

  1. One of the functions of our movement? temperature regulation. The quantity? relative to the weight of skin of an animal varies with the animal 's format as follows: Using a creature as idealized spheres and using the volume as an expression of the mass, if you double-diameter square area but Cuban volume (mass ). That the pi? large mass generates pi? heat on the area, so that less blood flow to the skin? necessary to dissipate the heat. When a child loses much heat through its skin, has a difficulty? make enough heat to stay warm - it doesn 't have enough Massachusetts. When an obese adult is a bit of physical work that needs to increase its heart rate and perspiration to stay on even, heat-wise. This difference can be seen at rest and at a comfortable temperature because? the differences? heart rate of the baseline. Pi? Clearly, with the mouse to an elephant.