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1430201
The respiratory system: nose, pharynx and larynx
Description
Mind Map on The respiratory system: nose, pharynx and larynx, created by bekio on 10/08/2014.
Mind Map by
bekio
, updated more than 1 year ago
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Created by
bekio
over 10 years ago
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Resource summary
The respiratory system: nose, pharynx and larynx
Structure
Nose
Nasal Cavity
Frontal Sinus
Conchae
olfactory bulb
Olfactory nerve
sphenoid sinus
adenoids
Pharynx
Nasopharynx
Tonsil
Oropharynx
Epiglottis
hypopharynx
Larynx
Trachea
Oesphagus
Functions of airways
Provide passageways
Allows respiration to take place
Gas exchange
Diffusion
Concentration gradient
Coughing
Refelex mechnasim
Controlled by the medulla
Pleura
Two Layers
Contain fluid
Allow layers to pass by each other
Smoking effects
Paralyses cillia
Unable to cleanse respiratory system
Disease
Bronchitis
Lung cancer
Breathing
Active
Intercostal muscles
Diaphragm flattens, pressure decreases
Inhalation
Passive
Intercostal muscles
Diaphragm becomes dome shaped, pressure increases
Exhalation
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