Biology AQA question help plz
i never understand the bio questions that ask things like this :
(e)
Before taking the drink, the mean heart rate of Group J was 68 beats per minute.
Fifteen minutes after taking the drink, the mean volume of blood leaving the hearts of Group J was 4700 cm per minute.
Calculate the mean volume of blood leaving the heart at each beat fifteen minutes a taking the drink.
on graph it shows group J has a Mean change in heart rate / beats min-1 of -3.5
(e)
Before taking the drink, the mean heart rate of Group J was 68 beats per minute.
Fifteen minutes after taking the drink, the mean volume of blood leaving the hearts of Group J was 4700 cm per minute.
Calculate the mean volume of blood leaving the heart at each beat fifteen minutes a taking the drink.
on graph it shows group J has a Mean change in heart rate / beats min-1 of -3.5
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