Oxygen is absorbed in which part of the lungs?   

Correct option is C

Answer: (c) Alveoli
· Explanation: These tiny sacs are the site of gas exchange in the lungs.
· (a) Bronchi – Passages for airflow.
· (b) Trachea – Windpipe leading to lungs.
· (d) Bronchioles – Lead to alveoli, but not the site of gas exchange.