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HUMAN RESPIRATORY SYSTEM - Coggle Diagram
HUMAN RESPIRATORY SYSTEM
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Trachea (Wind Pipe)
Tracheal Rings (Rings of Cartilage)- Rings of cartilage present in the throat ensure that the trachea (air passage) does not collapse when there is less air in it.
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Lungs
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(ii) They are spongy, elastic bags consisting of Bronchi, Bronchioles and Alveoli
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