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The Respiratory System

The Respiratory System. Chapter 7. Overview of Structures, Combining Forms, and Functions of the Respiratory Systems. Structures of the Respiratory System. Structures of the Upper Respiratory Tract. Nose. Primary Function Exchanges air during inhaling and exhaling

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The Respiratory System

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  1. The Respiratory System Chapter 7

  2. Overview of Structures, Combining Forms,and Functions of the Respiratory Systems

  3. Structures of the Respiratory System

  4. Structures of the Upper Respiratory Tract

  5. Nose • Primary Function • Exchanges air during inhaling and exhaling • Warms, moisturizes, and filters inhaled air • Related Word Parts (Combining Forms) • nas/o • rhino/o

  6. Sinuses • Primary Function • Provide mucus • Make bones of the skull lighter • Aid in sound production • Related Word Parts (Combining Forms) • sinus/o

  7. Pharynx • Primary Function • Transports air to and from the nose to the trachea • Related Word Parts (Combining Forms) • pharyng/o

  8. Larynx • Primary Function • Makes speech possible • Related Word Parts (Combining Forms) • laryng/o (continues)

  9. Larynx

  10. Epiglottis • Primary Function • Closes off the trachea during swallowing • Related Word Parts (Combining Forms) • epiglott/o

  11. Trachea • Primary Function • Transports air to and from the pharynx tothe bronchi • Related Word Parts (Combining Forms) • trache/o

  12. Bronchi • Primary Function • Transports air from the trachea into the lungs • Related Word Parts (Combining Forms) • bronch/o, bronchi/o

  13. Alveoli • Primary Function • Air sacs that exchange gases with the pulmonarycapillary blood • Related Word Parts (Combining Forms) • alveol/o (continues)

  14. Alveoli

  15. Lungs • Primary Function • Bring oxygen into the body • Remove carbon dioxide and some water wastefrom the body • Related Word Parts (Combining Forms) • pneum/o, pneumon/o, pulmon/o (continues)

  16. Lungs

  17. Respiration • Inhalation: the act of taking in air as thediaphragm contracts and pulls downward • Exhalation: the act of breathing out (continues)

  18. Respiration

  19. Key Word Parts and Definitions • bronch/o, bronchi/o • bronchial tube, bronchus • laryng/o • larynx, throat • nas/o • nose • ox/i, ox/o, ox/y • oxygen (continues)

  20. Key Word Parts and Definitions • pharyng/o • throat, pharynx • phon/o • sound, voice • pleur/o • pleura, side of the body • -pnea • breathing (continues)

  21. Key Word Parts and Definitions • pneum/o, pneumon/o, pneu- • lung, air • pulm/o, pulmon/o • lung • sinus/o • sinus • somn/o • sleep (continues)

  22. Key Word Parts and Definitions • spir/o • to breathe • thorac/o, -thorax • chest, pleural cavity • trache/o, trachea • windpipe

  23. Questions

  24. Question • The surface area of a human lung is equal to: • a tennis court • a football field • a Ping-Pong table

  25. Answer • a. tennis court

  26. Question • A cough releases an explosive charge of air thatmoves at speeds up to 60 mph. A sneeze canexceed the speed of 100 mph. • True or False?

  27. Answer • True

  28. Question • How many times a day does the average humanadult take a breath? a. 10,000–17,500 b. 25,000–35,000 c. 17,500–25,000

  29. Answer • c. 17,500–25,000

  30. Question • The right lung is smaller than the left lung. • True or False

  31. Answer • False: The left lung is smaller than the right lungto make room for the heart.

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