(a(i))[5]
Complete Fig. 2.1 by writing names on the label lines. Select the names from this list: aorta, atrium, muscular wall, pulmonary artery, pulmonary vein, septum, vena cava, ventricle.
(a(ii))[1]
State the name of the heart chamber that sends blood to the lungs.
(b(i))[2]
Use Fig. 2.2 to state student F's cardiac output at rest and at maximum exercise.
(b(ii))[2]
Calculate the percentage rise in cardiac output of student G from rest to maximum exercise. Show your working.
(b(iii))[2]
Suggest two ways in which the activity of the heart changes to cause a greater cardiac output.
(b(iv))[1]
During exercise, student F has a higher cardiac output than student G. Suggest one reason for this difference.