AQA GCSE Biology · 8461
Specification 4.2.2.4 · Paper 1
Revise: Heart Valves, Transplants and Evaluating TreatmentsHeart failure means that the heart cannot pump blood effectively enough to meet the body’s needs. If the damage is severe, repairing one valve or treating a narrowed artery may not solve the problem. A donor heart—or, in some cases, a donor heart and lungs—can then be transplanted.