This report provides a detailed overview of Coronary Heart Disease (CHD), a prevalent cardiovascular disease characterized by the buildup of plaque in coronary arteries. It delves into the disease brief, explaining its relation to coronary artery disease and its impact on blood flow, potentially leading to angina or heart attack. The report examines the human body structure in relation to CHD, highlighting the physiological processes involved, including the role of homeostatic mechanisms in managing the disease. It further analyzes the causes, signs, and symptoms of CHD, categorized by stages from normal blood flow to angina or heart attack, and includes relevant figures and references. The report emphasizes the importance of early diagnosis and a healthy lifestyle in managing and delaying the progression of CHD.