The heart’s activity can be tracked by taking the pulse rate. Two students recorded their pulse rates before, during and after exercise. The outcomes are displayed in Fig. 6.1.
(a(i))[4]
Describe how the pulse rates of student A and student B change in Fig. 6.1.
(a(ii))[3]
Calculate the percentage change in student A’s pulse rate from 0 to 15 minutes. Give your answer to the nearest whole number.
(a(iii))[2]
State two additional methods that can be used to monitor the activity of the heart.
(b)[2]
Finish the sentences by circling the correct words in bold.
Worked solution & mark scheme
This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: “During exercise, the pulse rates of both students rise” …