| Chewing food | Salivation on sight of food |
|---|---|
| It is a voluntary action controlled consciously by the individual. | It is an involuntary/reflex action controlled by the nervous system automatically. |
| It involves muscular movement of jaws (mechanical process). | It involves secretion by salivary glands triggered by a sensory stimulus (sight). |
The key distinction examiners expect is voluntary vs. involuntary (reflex) control, and the nature of the action — mechanical (chewing) vs. glandular secretion (salivation). These relate to Chapter 6 concepts of voluntary and reflex actions. Presenting the answer as a comparison table is clean and exam-friendly for a 2-mark difference question.