A patient has a severely narrowed coronary artery. A stent improves blood flow through the artery.
Which sequence explains how the stent can improve the activity of heart muscle?
less oxygen delivered; more aerobic respiration; more energy released
less oxygen delivered; less aerobic respiration; less energy released
more oxygen delivered; more aerobic respiration; more energy released
more oxygen delivered; less aerobic respiration; less energy released
44 exam-style questions on Edexcel GCSE Biology 5.4 Non-communicable diseases, covering 5.4.1 Interaction of factors in non-communicable disease, 5.4.2 Lifestyle factors and non-communicable disease, and 5.4.3 Treatments for cardiovascular disease. Each one has a worked solution and a mark scheme showing where the marks go.