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Respiratory System

Respiratory System. Respiratory Functions. I.  Provide surface area for the diffusion of gasses A.  Oxygen (To be transported to the cells for aerobic respiration) B.  Excrete carbon dioxide II. Warm, moisten, and filter inspired air. Respiratory Organs. Breathing structures

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Respiratory System

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  1. Respiratory System

  2. Respiratory Functions I.  Provide surface area for the diffusion of gasses A. Oxygen (To be transported to the cells for aerobic respiration) B. Excrete carbon dioxide II. Warm, moisten, and filter inspired air

  3. Respiratory Organs • Breathing structures Nose (Filters air) Sinuses (Warm and moisten air) Pharynx Trachea Lungs a.      Bronchi b.     Bronchioles c.      Alveoli

  4. Respiratory Organs Accessory structures Diaphragm Contraction results in inhalation Relaxation results in exhalation Vocal cords

  5. Healthy Lungs and Smokers Lungs

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