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Question

Which of the following is the correct pathway of air through the human respiratory system?


A

Nostrils Lungs Trachea Bronchi

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B

Trachea Nostrils Lungs Bronchi

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C

Trachea Brochi Lungs Nostrils

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D

Nostrils Trachea Bronchi Lungs

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Solution

The correct option is D

Nostrils Trachea Bronchi Lungs


The air we inhale enters our body through our nostrils. It then passes through the nasal cavity, the pharynx, the larynx and finally enters the windpipe, also known as the trachea. The trachea branches into bronchi which sends air into both the lungs. The air spreads all over the lungs through smaller branches of bronchi known as bronchioles and finally reaches the alveoli where gaseous exchange takes place.


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