I WONDER - Why Do We Have Saliva?

The video explains the role of saliva in digestion, highlighting how it helps break down and soften food for easier swallowing and digestion. It mentions the daily production of saliva in humans and the importance of chewing in regulating food temperature for optimal digestion.

What is the primary function of saliva when you eat?

• To make food taste better

• To help break down and soften food

• To increase appetite

• To cool down the body

What happens if food is not softened by saliva?

• It becomes more nutritious

• It tastes better

• It can hurt your throat

• It digests faster

How much saliva do humans typically produce in a day?

• Between half a litre and one and a half litres

• Less than half a litre

• More than two litres

• Between one and two litres

Why is chewing food important besides making it easier to swallow?

• It reduces the need for water

• It helps in cooling or warming the food

• It makes the food taste better

• It increases the food's nutritional value

What is the ideal temperature for food to be digested?

• Room temperature

• Perfectly adjusted by chewing

• Very cold

• Very hot