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Respiratory System

Respiratory System. Do Now – Monday, 4/4/14. List the parts of the respiratory system (that you know right now). 1, 3, 5, 7. 2, 4, 6, 8. Field Day. Review. Review. What makes up the respiratory system?. Nose Pharynx (throat) Larynx (voice box) Trachea (windpipe) Bronchi Lungs.

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Respiratory System

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  1. Respiratory System

  2. Do Now – Monday, 4/4/14 • List the parts of the respiratory system (that you know right now)

  3. 1, 3, 5, 7 2, 4, 6, 8 Field Day Review Review

  4. What makes up the respiratory system? • Nose • Pharynx (throat) • Larynx (voice box) • Trachea (windpipe) • Bronchi • Lungs

  5. Nose • Consists of bone and cartilage • Responsible for warming, moistening and filtering incoming air

  6. Nose • Inhaled air is warmed by the vessels • Mucus is secreted to moisten air and trap dust particles • Cilia move mucus and trapped particles to pharynx

  7. Pharynx (throat) • Passageway for air and food

  8. Pharynx (throat)

  9. Larynx (voice box) • Connects pharynx to trachea • Home to vocal cords • Closes during swallowing to prevent liquid and food from going into the lungs

  10. Trachea (windpipe) • Cartilaginous rings to provide structure • Air passage

  11. Bronchi • Division of the trachea • Splits into smaller bronchioles for air exchange

  12. Lungs • Surrounded by pleural cavity (lubrication) • Composed of lobes

  13. Gas Exchange • The exchange of oxygen and carbon dioxide between the blood and lungs occurs in alveoli.

  14. Gas Exchange Gas Exchange

  15. Gas Exchange • As blood flows through the pulmonary capillaries, it picks up oxygen from the alveoli and unloads carbon dioxide into the alveoli

  16. Inhalation • The most important muscle of inhalation is the diaphragm • Flattens during inhalation

  17. Asthma

  18. Emphysema

  19. Lung Cancer

  20. Tuberculosis

  21. Cystic Fibrosis

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