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Group 2 respiratory system - copy

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Group 2 respiratory system - copy

  1. 1. GROUP 2 MEMBERS  Fitri S Dewi  Riska Rachma D  XII-IPA 2  Tresi Nuraeni  Yeli Yulianti  XII-IPA 2
  2. 2.  The respiratory system (or ventilator system) is the biological system that introduces respiratory gases to the interior and performs gas exchange. In humans and other mammals, the anatomical features of the respiratory system include airways, lungs, and the respiratory muscles. Molecules of oxygen and carbon dioxide are passively exchanged, by diffusion, between the gaseous external environment and the blood. Human Respiratory SystemHuman Respiratory System
  3. 3. Human Respiratory SystemHuman Respiratory System
  4. 4. Components of the Upper Respiratory Tract Components of the Upper Respiratory Tract
  5. 5.  Passageway for respiration  Receptors for smell  Filters incoming air to filter larger foreign material  Moistens and warms incoming air  Resonating chambers for voice Upper Respiratory Tract Functions Upper Respiratory Tract Functions
  6. 6. Components of the Lower Respiratory Tract Components of the Lower Respiratory Tract
  7. 7.  Functions:  Larynx: maintains an open airway, routes food and air appropriately, assists in sound production  Trachea: transports air to and from lungs  Bronchi: branch into lungs  Lungs: transport air to alveoli for gas exchange Lower Respiratory TractLower Respiratory Tract
  8. 8. Gas Exchange Between the Blood and Alveoli Gas Exchange Between the Blood and Alveoli
  9. 9. Respiratory CycleRespiratory Cycle Figure 10.9
  10. 10.  Inspiration/Expiration: air in/air out  Cycle:  Relaxed state: diaphragm and intercostal muscles relaxed  Inspiration: diaphragm contracts, pulling muscle down, intercostal muscles contract elevating chest wall and expanding volume of chest, lowering pressure in lungs, pulling in air  Expiration: muscles relax, diaphragm resumes dome shape, intercostal muscles allow chest to lower resulting in increase of pressure in chest and expulsion of air Process of Breathing: Pressure Gradient Process of Breathing: Pressure Gradient
  11. 11.  Reduced air flow: asthma, emphysema, bronchitis  Infections: pneumonia, tuberculosis, botulism  Lung cancer  Congestive heart failure  Cystic fibrosis Disorders of Respiratory SystemDisorders of Respiratory System
  12. 12.  One breathing disorder:  Asthma or  Bronchitis  One possible cause  Prevention  Treatment Breathing disordersBreathing disorders
  13. 13.  Gases diffuse according to their partial pressures  External respiration: gases exchanged between air and blood  Internal respiration: gases exchanged with tissue fluids  Oxygen transport: bound to hemoglobin in red blood cells or dissolved in blood plasma  Carbon dioxide transport: dissolved in blood plasma, bound to hemoglobin, or in the form of plasma bicarbonate Gas Exchange & Transport: A Passive Process Gas Exchange & Transport: A Passive Process
  14. 14.  Breathing (ventilation): air in to and out of lungs  External respiration: gas exchange between air and blood  Internal respiration: gas exchange between blood and tissues  Cellular respiration: oxygen use to produce ATP, carbon dioxide as waste Four Respiration ProcessesFour Respiration Processes
  15. 15. 1. Appropriately 2. Botulism 3. Chambers 4. Cystic 5. Epithelial 6. Failure 7. Pulmonary 8. Sacs 9. Skeletal 10. Swallowing

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