Ken E. Richardson February 22, 2012 Diseased Lungs Healthy Lungs Nasal Cavity ◦ Receives inhaled air Pharynx ◦ Funnels inhaled air toward the trachea/food toward the esophagus Larynx ◦ Site where speech sounds are produced Trachea ◦ Airway to the bronchi Main Bronchi ◦ Two, each of which carries air to one of the lungs Bronchiole ◦ Small airway branches within the lungs Lungs ◦ Organs where oxygen and carbon dioxide are exchanged Alveoli ◦ Sacs where oxygen moves into the blood and carbon dioxide exits Respiration: How it works. Click the above caption to see a brief video on how respiration works. Lesson Plan ◦ www.pbs.org Photographs of diseased and healthy lungs. ◦ Courtesy of John Dickerson, RN, Baylor Transplant Center, Dallas TX. Respiration Video ◦ www.argosymedical.com To restart the presentation, click here: Name: Ken Richardson Subject Area: Biology Grade Level: High School Lesson Title/Web Address: Respiration http://www.pbs.org/opb/childrenshospital/classroom/poptg_e2_lungs.htm?590 Nevada Standard: L.12.B.2 Students know the human body has a specialized anatomy and physiology composed of a hierarchical arrangement of differentiated cells. Objective: Identify human body systems and describe their general functions. Assessment: Quiz. Students are expected to identify the eight major components of the respiratory system and their respective functions.