1. Student know about the anatomy of nasal & it's function. 2. Student know about the anatomy of pharynx & it's function. 3. Student know about the anatomy of larynx & it's function. 4. Student know about the anatomy of tracea, bronchi and alveolus & it's function. 5. Student know about the anatomy of lung & it's function. 6. Student know about the anatomy of diaphragm & it's function. 7. Student know about the process of gas exchange in respiratory system.