Assertion (A): The respiratory rhythm centre, located in the pons region of brain is responsible for regulation of respiration.
Reason (R): Pneumotaxic centre, located in the medulla region of brain moderates the respiratory rhythm centre.
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.