3
Question
In lungs, gaseous exchange occurs in ________
In lungs, gaseous exchange occurs in ________
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Solution
The correct option is D Alveoli
The windpipe or trachea leads to the lungs and divides to form bronchi. In lungs, the bronchi further divide to form bronchioles. The bronchioles form the sac like structure called the alveoli. These alveoli are supplied with blood vessels. These are the sites where gaseous exchange take place.Hence, the correct answer is 'Alveoli'
The windpipe or trachea leads to the lungs and divides to form bronchi. In lungs, the bronchi further divide to form bronchioles. The bronchioles form the sac like structure called the alveoli. These alveoli are supplied with blood vessels. These are the sites where gaseous exchange take place.
Hence, the correct answer is 'Alveoli'
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