dasda
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I dont't understand how to do this heart calculation question please. the answer is 66.7
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username3249896
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at t = 0, volume is 112cm3
at t = 0.9 s, volume is 112cm3
so time for 1 period = time for 1 heart beat = 0.9 s
so heart rate = 60 / 0.9
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dasda
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thanks man
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dasda
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so how would you find the stroke volume
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username3249896
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stroke volume (SV) is the volume of blood pumped from the left ventricle per beat.

max - min = 120 - 50 = 70 cm3
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dasda
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I have my year 12 exams afters the easter holiday. I'm doing aqa biology. do you have any tips in terms of revision
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