What is the work generated by a healthy adult circulates 9 L of blood through the brachial artery in 10 minutes?

The answer is :

120 kJ

Flow of 9 L in 10 minutes means a flow rate of 900 mL per minute, and according to the graph, it corresponds to 200 W. They work is then 200 W multiplied by 600 seconds equaling 120 kJ.

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