Why does increased physical activity raise heart rate

Reference no: EM13532033

Q1) Why does increased physical activity raise heart rate?

Q2) Why is heart rate lower in an individual who does aerobicexercise regularly?

Q3) Why do some people feel faint when they go quickly fromlying down to standing?

Q4) How and why does heart rate change with body position?

Reference no: EM13532033

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