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Outline
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ANATOMY LECTURE SERIES
RESPIRATORY SYSTEM
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FUNCTIONS OF THE RESPIRATORY SYSTEM
  • Provides exchange of carbon dioxide and oxygen in the body
  • Responsible for production of sound
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FUNCTIONS OF THE RESPIRATORY SYSTEM
  • Respiration
    • External respiration (breathing or ventilation) - exchange of oxygen and carbon dioxide between lungs, body, and outside environment
    • Internal respiration - exchange of carbon dioxide and oxygen between cells and lymph surrounding them
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FUNCTIONS OF THE RESPIRATORY SYSTEM
    • Cellular respiration (oxidation) - involves the use of oxygen to release energy stored in nutrient molecules such as glucose

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RESPIRATORY ORGANS
AND STRUCTURES
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RESPIRATORY ORGANS
AND STRUCTURES
  • Alveoli
  • Lungs
  • Pleura
  • Mediastinum
  • Nasal cavity
  • Pharynx
  • Larynx
  • Trachea
  • Bronchi and Bronchioles


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RESPIRATORY ORGANS
AND STRUCTURES
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THE BREATHING PROCESS
  • Inhalation/inspiration
  • Exhalation/expiration
  • Respiratory movements and frequency of respiration
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CONTROL OF BREATHING
  • Rate of breathing is controlled by:
    • Neural factors
    • Chemical factors
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LUNG CAPACITY
AND VOLUME
  • Tidal volume
  • Inspiratory reserve volume (IRV)
  • Expiratory reserve volume
  • Vital lung capacity
  • Residual volume
  • Functional residual capacity
  • Total lung capacity
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TYPES OF RESPIRATION
  • Apnea
  • Dyspnea
  • Eupnea
  • Hypernea
  • Orthopnea
  • Tachypnea
  • Hyperventilation
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DISORDERS OF THE RESPIRATORY SYSTEM
  • Infectious causes
    • Common cold
    • Pharyngitis
    • Laryngitis
    • Sinusitis
    • Bronchitis
    • Influenza




    • Pneumonia
    • Tuberculosis
    • Diphtheria
    • Pertussis
    • Anthrax


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DISORDERS OF THE RESPIRATORY SYSTEM
  • Noninfectious
    • Rhinitis
    • Asthma
    • Atelectasis
    • Bronchiectasis
    • Abestosis
    • Silicosis
    • Nasal polyps

    • Chronic obstructive pulmonary disease
    • Emphysema
    • Cancer of the lungs
    • Cancer of larynx
    • Pulmonary embolism
    • Sudden infant death syndrome (SIDS)