How coronary heart disease reduces oxygen supply
How coronary heart disease reduces oxygen supply

The coronary arteries branch from the aorta and supply the heart muscle with oxygen-rich blood for aerobic respiration.
Step-by-step lessons covering AQA GCSE Biology 2.2.4 Coronary heart disease: a non-communicable disease for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.