Chronic Obstructive Pulmonary Disease (COPD) is a chronic inflammatory lung disease that causes obstructed airflow from the lungs. The main symptoms of COPD include difficulty breathing, cough, and sputum production. It is often caused by long-term exposure to irritating gases or particulate matter, most often from cigarette smoke.

The immune response is the body's defense mechanism against foreign substances, such as pathogens, toxins, or damaged cells. It is a complex and coordinated process involving various cells, tissues, and organs. This mind map aims to explore the various components and processes involved in the immune response. By visualizing these interconnected elements, we can gain a deeper understanding of how the immune system functions to maintain our health and well-being.