Which of the following is not associated with the process of respiration?
A
Lungs
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B
Gills
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C
Bladder
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D
Trachea
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Solution
The correct option is C Bladder The respiratory system consists of the nose, pharynx, larynx, trachea, bronchi and lungs. When you breathe in, air enters your body through your nose or mouth. From there, it travels down your throat through the larynx (or voicebox) and into the trachea (or windpipe) before entering your lungs. Bladder/Urinary bladder is part of the excretory system. Hence, the part not associated with the process of respiration is bladder.