Grade 10Zoology
what are the 2 main parts of the respiratory system?
what are the 2 main parts of the respiratory system?
1 Answer
Vasanth SR
The upper respiratory tract: Nose, nasal cavity and the pharynx;
The lower respiratory tract: Larynx, trachea, bronchi and the lungs.
The lower respiratory tract: Larynx, trachea, bronchi and the lungs.
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