Unit 4: Respiratory system anatomy and physiology

Respiratory conditions Lung diseases are classified by their effect on lung tissue, the airways, or the lung's… Asthma is a chronic airway condition that

Since the lungs process air, they are the only internal organs that are constantly exposed to the external environment Central to the human respiratory system

system789 lungs Exposure to smoke can turn the lungs' pink tissue Diaphragm Muscles are the workhorses that power the respiratory system A large sheet of

respiratory system The lungs and pulmonary system Breathing is a vital process that allows our bodies to take