(a)[2]
Use Fig. 3.1 to calculate the man’s heart rate. Give your answer in beats per minute. Show your working.
(b)[1]
State what produces the sounds made by the heart.
(c(i))[2]
Describe how this heart problem changes the person’s resting heart rate. Use data from Fig. 3.2 to support your answer.
(c(ii))[1]
State one factor that can alter the heart rate of a healthy person to produce the same effect as the heart problem shown in Fig. 3.2.
(d)[2]
Describe the meaning of the term coronary heart disease and state one factor that raises the risk of developing coronary heart disease.