A sample of living heart muscle is kept contracting in a laboratory. A solution containing glucose and oxygen flows around the cells. The sample is not connected to any lungs.
Explain how this shows that cellular respiration and breathing are different processes.
98 exam-style questions on Edexcel GCSE Biology 8.3 Respiration, covering 8.3.1 Aerobic and anaerobic respiration. Each one has a worked solution and a mark scheme showing where the marks go.