Given below are two statements: 
Assertion (A): Conducting part transports the atmospheric air to alveoli, clears it from foreign particles, humidifies it and also brings the air to body temperature.
Reason (R): The part of the respiratory system starting with the external nostrils upto terminal bronchioles constitutes the conducting part, whereas the alveoli from respiratory part.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Respiratory System: Upper Respiratory Tract |
 53%
Level 3: 35%-60%
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