I WONDER - What Is Saliva?

Saliva is produced by salivary glands in the mouth and plays a crucial role in digestion by moistening food and containing enzymes that break down food. The glands can produce over 1 liter of saliva daily. When we see or smell food, our brain signals the glands to produce saliva, preparing for digestion.

What are enzymes and what is their function in saliva?

What happens in our body when we see or smell good food?