Where in the respiratory system would you find rings of cartilage?
A
Lungs
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B
Alveoli
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C
Trachea
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D
Diaphragm
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Solution
The correct option is C Trachea The trachea, commonly known as the windpipe, is a tube about 4 inches long and less than an inch in diameter in most people. It is composed of about 20 rings of tough cartilage.