ILOs

• Describe the mechanics of breathing
• Understand the function of components of the respiratory system
• Discuss how gas exchange occurs in the lung
• Describe the cough reflex

• Breathing basics
• Why do we breathe?
• What is partial pressure?
• Partial pressures of alveolar and blood gases
• How breathing changes with activity
• Respiratory muscles
• Quiet breathing
• Strenuous breathing
• Pressure & volume changes during breathing
• Features of the components of the Respiratory System
• Function of upper airways
• Cough reflex
• Respiratory tree
• Blood supply to the Lung