In NCERT class 10 science chapter 7 salivation in one statement is given as reflex and in the other it is given as involuntary what should I
You need to understand this :
Salivation is a reflex action that is controlled by the activation of the autonomic nervous system response to the oral cavity. The saliva is a sudden gush of bicarbonate ions to standardize or regulate the sour taste or acidic pH that is sensed by the taste buds.
I hope this helps.