The document discusses the functions and disorders of the respiratory system. It describes the structures and functions of the upper and lower respiratory systems. Some key functions are gas exchange and sound production. Common respiratory disorders mentioned include asthma, bronchitis, pneumonia, and tuberculosis. Treatment depends on the specific disorder. The respiratory system also plays a role in immunity and homeostasis.

1. 2.06 Understand the functions
and disorders of the respiratory
system

2. 2.06 Understand the functions and
disorders of the respiratory system
Essential questions
 What are the functions of the respiratory system?
 What are some disorders of the respiratory system?
 How are disorders of the respiratory system treated?
 What is the importance of the respiratory system as
it relates to immunity?
 How do you relate the body’s use of nutrients to the
respiratory system?
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of the respiratory system 2

3. Functions of the Respiratory System
Upper Respiratory System
 Nose
 Sinuses
 Pharynx
 Epiglottis
 Larynx
Lower Respiratory System
 Trachea
 Lungs
 Bronchi
 Alveoli
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4. Functions of the
Upper Respiratory System Structures
 Nose
 Sinuses
 Pharynx
 Epiglottis
 Larynx
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5. Functions of the
Lower Respiratory System Structures
Trachea
 Bronchi
 Bronchial tubes
 Bronchioles
 Alveoli
Lungs
 Pleura
 Mediastinum
 Diaphragm
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6. Functions of the Respiratory System
1- Provide structures for
the exchange of oxygen
and carbon dioxide in the
body through respiration
2- Responsible for the
production of sound
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7. Breathing
External respiration
Exhalation
Internal respiration
Inhalation
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8. Breathing
1 inspiration + 1 expiration = 1 respiration
How many times does a normal adult breath per minute?
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9. Control of breathing
Neural
Factors
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10. Control of breathing
 Chemical Factors
 What are the chemical
factors involved in
breathing?
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11. Respiratory Movements
Coughing
Hiccups
Sneezing
Yawning
Why do they occur?
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12. Types of breathing
 Apnea
 Dyspnea
 Eupnea
 Hyperpnea
 Orthopnea
 Tachypnea
 Hyperventilation
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13. Lung capacity and volume
 Tidal volume (TV)
 Inspiratory reserve volume
(IRV)
 Expiratory reserve volume
(ERV)
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14. Lung capacity and volume
 Vital lung capacity (VLC)
 Residual volume (RV)
 Functional residual capacity
(FRC)
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15. Lung capacity and volume
 Total lung capacity
 Tidal volume
 Inspiratory reserve volume
 Expiratory reserve volume
 Residual volume
Sample
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16. Respiratory disorders
 Asthma
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17. Respiratory disorders
 Bronchitis
 What is bronchitis?
 Acute
 Chronic
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18. Respiratory disorders
 Chronic obstructive pulmonary disorder
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19. Respiratory disorders
 COMMON COLD
 What is it? What causes it?
 Hand-washing – best
preventative measure
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20. Respiratory disorders
Emphysema
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21. Respiratory disorders
Influenza
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22. Respiratory disorders
Pneumonia
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23. Respiratory disorders
Pneumothorax
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24. Respiratory disorders
Sinusitis
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25. Respiratory disorders
Tuberculosis
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26. Relevance of nutrients to
the respiratory system
The respiratory system
plays a vital role in
homeostasis
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27. 2.06 Understand the functions and
disorders of the respiratory system
Essential questions
 What are the functions of the respiratory system?
 What are some disorders of the respiratory system?
 How are disorders of the respiratory system treated?
 What is the importance of the respiratory system as
it relates to immunity?
 How do you relate the body’s use of nutrients to the
respiratory system?
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of the respiratory system 27