2. RESPIRATION SYSTEM b I b I Definition b II b II Two principal cavities involved in upper b respiratory b respiratory tract. b III b III Pathway of air to Lower Resp. Tract bIdentify : (1) nares (2) septum (3)frontal b and b and sphenoid sinus(4) the three conchae b (5) b (5) the pharynx

3. RESPIRATORY SYSTEM contd. b II b II LOWER RESPIRATORY TRACT b 1. b 1. Trace air to lungs b 2. b 2. Location and function of the Larynx b(locate the thyroid and cricoid cartilage) blocate the epiglottis b 3. b 3. Traachea (“windpipe”) b 4. b 4. Bronchi b 5. b 5. Bronchioles

4. RESPIRATION SYSTEM contd. b 6. b 6. Alveoli b 7. b 7. Pleural Membranes b1. Pulmonary b2. Parietal b 8. b 8. Diaphragm b 9. b 9. INSPIRATION b 10. b 10. EXPIRATION

5. RESPIRATORY SYSTEM contd. b Trace b Trace the intake of air with oxygen through inspiration to the completion of exhaled carbon dioxide during the process of expiration.