Why Do We Have Saliva?

The video explains the constant presence of saliva in our mouths and its crucial roles. Saliva, produced by salivary glands, helps us talk, taste, and digest food. It keeps our mouths wet, aids in moving food, and enhances taste by dissolving flavors. Saliva contains enzymes that start breaking down food, like bread and potatoes, before it reaches the stomach, aiding digestion and energy absorption. The video concludes by highlighting saliva's importance and its various functions.

What are the primary functions of saliva mentioned in the first section?

• Improving our sense of smell

• Protecting our skin from sunburn

• Aiding in speech and taste

• Helping us breathe and see

Where does saliva originate from in our bodies?

• The pancreas

• Salivary glands

• The stomach

• The liver

How does saliva enhance the taste of food?

• By adding sugar to the food

• By dissolving taste components like salt and sugar

• By changing the color of the food

• By making the food colder

What is the role of enzymes found in saliva?

• To change the color of food

• To make saliva taste sweet

• To make food spicy

• To help break down food into simpler pieces

Which types of food does the enzyme in saliva primarily help to break down?

• Meat and fish

• Fruits and vegetables

• Dairy products

• Bread, cereal, and potatoes