(a(i))[4]
Use label lines and labels to show these structures on Fig. 5.1: • atrium • septum • ventricle • valve
(a(ii))[2]
Identify the letter or letters of all the blood vessels from Fig. 5.1 that: are arteries is the pulmonary vein.
(b)[2]
State two other ways of monitoring the activity of the heart.
(c(i))[1]
State the name of the blood vessels that are blocked.
(c(ii))[3]
State three risk factors for developing CHD.