Use Fig. 5.1 to state which age group has the lowest percentage of deaths due to coronary heart disease.
Use Fig. 5.1 to describe how the risk of coronary heart disease changes as a man gets older.
Describe the difference in risk of coronary heart disease for a man and a woman between the ages of 55 and 64.
State three risk factors for coronary heart disease, apart from age and gender.
On the diagram, circle the letter for the blood vessel that, if blocked, causes coronary heart disease.
Describe how this monitoring could be carried out.
State the function of the heart valves.
State the number of times the valves close in ten seconds.
Calculate the heart rate, in beats per minute, of the person being monitored. Show your working.
Suggest how the heart activity would change if the person began to exercise.