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That is a very good question! I do not know the exact answer. Birds like sparrows have got very fast heart beats. The heart rate of the large animals like elephant is very slow. So it looks that the heart rate is proportional to the surface area of the body. Smaller the size, more the surface area. I am also curious to know the exact answer of this question.
What else can I help you with?
Does eating candy change heart rates?
does eating candy change heart rates yea it dose
Baby's Pulse rate?
why are babies heart rates faster than an average grown ups? why are babies heart rates faster than an average grown ups? why are babies heart rates faster than an average grown ups?
Why do elderly have slow heart rates?
i think as muscles do not work efficiently it takes comparitively much time to pump the blood.. which is proportional to heart rates
What are pulse rates measured in?
Pulse rates are only measured in how many times per minute your heart beats.
What are the changes in respiration and heart rates during physical activity of varied intensity and duration?
Respiration and heart rates change greatly during physical activity. How much they fluctuate can depend on the intensity and duration of the workout. Respiration and heart rate will double at times during an exercise routine.
Do humans heart rates increase as they get older?
as the body's systems get older, they require more blood flow to operate, thus causing increased heart rate
O children's heats rates increase as they get older?
i think it dose grow because your bones grow and your heart is a bone
Do childrens heart rates increase as they get older?
The previously posted answer to this question was as single word, "yes." This is incomplete, and for the most part incorrect. Referring to: http://www.pediatriccareonline.org/pco/ub/view/Pediatric-Drug-Lookup/153929/0/Normal_Heart_Rates It shows where childrens' heart rates decrease over time, except for the first two or so months of life. A newborn will, normally, have a heart rate ranging from 100 to 160, and averaging 123 beats per minute (bpm). The normal range for the adult heart rate is 60-100 bpm. Different sources will cite different numbers, but by and large, they are in the range of 100-160 for newborns. The 60-100 BPM for adults is a widely used range throughout the United States. Bear in mind, some athletes and people with small frames (thus lower metabolic needs) can have lower heart rates and still be very healthy.
How are the respiration rates of fish related to their heart rates?
i think its the heart beat
Does eating candy change heart rates?
does eating candy change heart rates yea it dose
What conclusion can you write about heart rates?
no
Which companies offer cheap remortgage rates for older individuals?
Zillow is a company that offer a great variety of cheap remortgage rates for older individuals. Another company that offer cheap remortgage rates is Chelsea.
What should morning pulse rate?
It deppend, it can range and be normal from 50 to 140 but heart rates higher and lower than that are deffinetly not uncommon, especially in young kids and older people.
Baby's Pulse rate?
why are babies heart rates faster than an average grown ups? why are babies heart rates faster than an average grown ups? why are babies heart rates faster than an average grown ups?
What is a possible reason for lower maximal heart rates observed in endurance-trained athletes?
Slower heart rates increase ventricular filling time
Why do elderly have slow heart rates?
i think as muscles do not work efficiently it takes comparitively much time to pump the blood.. which is proportional to heart rates
What causes heart rates to increase and decrease?
fudge
