Understanding Teeth and Digestion

The video tutorial covers the importance of teeth in chewing and speaking, types of teeth, and their functions. It explains the structure of a tooth and emphasizes dental care to prevent decay. The role of microbes in oral health is discussed, along with the digestive system's components and their functions in breaking down food for absorption.

Why do humans have teeth?

• To chew food and speak clearly

• To hear better

• To grow faster

• To see better

What are milk teeth?

• Teeth that never fall out

• Teeth that are permanent

• Temporary teeth in young children

• Teeth that are made of milk

Which type of teeth are used for cutting food?

• Incisors

• Premolars

• Canines

• Molars

How many canines do humans typically have?

• Six

• Four

• Eight

• Two

What is the hardest part of a tooth?

• Pulp

• Root

• Enamel

• Dentine

Why is it important to brush your teeth regularly?

• To make them softer

• To change their color

• To prevent decay and bad breath

• To make them grow faster

What are microbes?

• Types of food

• Small germs or bacteria

• Parts of a tooth

• Large animals

Which of the following is not a type of microbe?

• Enamel

• Fungus

• Bacteria

• Virus

What is the main function of the digestive system?

• To protect the body from germs

• To break down food for absorption

• To circulate blood

• To produce hormones

Which organ is not part of the digestive system?

• Liver

• Pancreas

• Stomach

• Heart