Lesson Plan

• Describe the distribution of cartilage, ciliated epithelium, goblet cells, type I alveolar epithelium, smooth muscle and capillaries within the human respiratory system.
• Explain the functional significance of each structure in the gas‑exchange process.
• Compare the conducting and respiratory zones in terms of tissue composition and role.

• Projector and PowerPoint slides with labelled diagram
• Printed worksheet (labelled airway diagram & questions)
• Set of cut‑out labels (cartilage, cilia, goblet cells, etc.)
• Large poster of the respiratory tract
• Whiteboard and markers
• Kahoot/quiz platform for exit ticket

Begin with a quick visual of breathing through a narrow straw versus a wide tube to highlight airway resistance. Review students’ prior knowledge of the basic airway anatomy and the purpose of gas exchange. State the success criteria: by the end of the lesson you will be able to locate each structure and justify its position in the respiratory system.

1. Do‑now (5 min): Students label a blank diagram of the conducting and respiratory zones; teacher checks a few responses.
2. Mini‑lecture with slides (10 min): Overview of the conducting vs. respiratory zones and the distribution of cartilage, ciliated epithelium, goblet cells, squamous epithelium, smooth muscle and capillaries.
3. Interactive poster activity (12 min): In groups, students place cut‑out labels on a large poster, then discuss the functional significance of each structure.
4. Guided worksheet (8 min): Answer questions linking smooth muscle tone to ventilation‑perfusion matching and explaining diffusion barriers.
5. Quick quiz / exit ticket (5 min): Kahoot or paper ticket with three MCQs on locations and functions.

Summarise the key locations and roles of each structure, reinforcing how they together optimise gas exchange. Collect the exit tickets to assess immediate understanding. For homework, assign the online quiz on respiratory anatomy and a brief reading of the textbook section on ventilation‑perfusion matching.