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ANDREALYMAEIN
Answered

respiratory system consist of organs that are used during gas exchange where we take oxygen when we beathe in and carbon dioxide when we breathe out. What is the part of the part of the respiratory system that serves as a passageway of air into lungs?
a. trachea b. Bronchioles c.Bronchi d. alveoli​

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A. Trachea. serves as a passageway of air into lungs

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Answer:

The trachea, commonly called the windpipe, is the main airway to the lungs. It divides into the right and left bronchi at the level of the fifth thoracic vertebra, channeling air to the right or left lung. The cartilage in the tracheal wall provides support and keeps the trachea from collapsing.

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