Question

When you see a mouth watering food being hungry your mouth get filled with saliva. 3 trace the event that is responsible for this happening?

Answer 1

When we see very tempting food, our mouth starts watering and saliva starts secreting.  

Explanation:

• Every action of our body is governed by our brain, and it controls our muscle reaction.
• When very tempting food comes in front of us, our brain sees that through eyes, and prepare the body for impending food intake.
• For this, the saliva starts secreting from the salivary glands and our mouth waters.
• Saliva is a critical part needed for the complete functioning of the body as it makes it possible to swallow, to digest and to protect the teeth from bacteria.

Learn more about saliva:

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Answer 2

This is due to Reflex Action.

Explanation:

• The sight of food sends sensory messages from the eyes via the optic nerve to the brain or the spinal cord.
• The brain or spinal cord sends action impulses through the motor nerve to the salivary glands, to secrete saliva.
• The saliva prepares the mouth for receiving the food and initiate its breakdown.