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Understanding the Functions of the Respiratory System

Delve into the essential roles of the respiratory system in gas exchange, air filtration, and temperature regulation. Learn about the organs and functions involved, including the nose, trachea, lungs, and accessory structures like the diaphragm and vocal cords. Explore the impact of smoking on lung health.

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Understanding the Functions of the 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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