Digestive System Quiz

What is one reason we need food?

• It makes us taller.

• It provides materials to make cells.

• It helps us fly.

• It helps us breathe.

What is the first function of the digestive system?

• Stores food.

• Breaks down food into molecules.

• Absorbs vitamins.

• Eliminates waste.

What does the digestive system do with the molecules from food?

• Sends them to the brain.

• Puts them into the blood.

• Turns them into energy.

• Stores them in the stomach.

What is mechanical digestion?

• Physically breaking down food into smaller pieces.

• Absorbing nutrients.

• Using chemicals to break down food.

• Eliminating waste.

What is chemical digestion?

• Breaking food into smaller pieces.

• Storing food in the stomach.

• Using chemicals to break food into smaller components.

• Eliminating waste.

Which of the following is NOT a function of the digestive system?

• Eliminates waste.

• Helps us see.

• Puts molecules into the blood.

• Breaks down food.

How does the body use the food we eat?

• To make us run faster.

• To help us jump higher.

• To create sound.

• To make cells and repair tissues.

What happens to waste in the digestive system?

• It is stored in the stomach.

• It is absorbed into the blood.

• It is turned into energy.

• It is eliminated from the body.

Which type of digestion involves physical breakdown?

• Nutritional digestion.

• Chemical digestion.

• Mechanical digestion.

• Cellular digestion.

What is the main purpose of digestion?

• To make us feel full.

• To break down food into usable molecules.

• To help us sleep.

• To make food taste better.