The amount of blood will increase or decrease accordingly (cardiac output)...
Each ventricle, ejects roughly, 45-50 mililiters in each beat, that is, about 80-100 mililiters per minute,,,so, you can calculate how much the cardiac outp鐓 increases or decreases with the change of rate (normal rate in the average adult with 70-75 beats per min, is about 5 to 5.5 liters)........
What happens when heart rate changes??
Cardiac output changes accordingly.
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