Digestive System Quiz

What are the two main functions of the digestive system?

• Breathing and circulating blood

• Digestion and absorption

• Moving and thinking

• Seeing and hearing

Where does digestion first begin in the body?

• Stomach

• Small intestine

• Mouth

• Esophagus

What are the two ways food is digested?

• Hot and cold

• Wet and dry

• Fast and slow

• Physically and chemically

What role does saliva play in digestion?

• It makes food taste better

• It kills harmful bacteria

• It begins to dissolve food and makes it easier to swallow

• It adds color to food

Which organ connects the mouth to the stomach?

• Liver

• Pancreas

• Esophagus

• Small intestine

What happens to food in the stomach?

• It's only physically churned

• It's only chemically dissolved

• It's both physically churned and chemically dissolved

• It's immediately absorbed into the bloodstream

About how long is the small intestine?

• 2 feet

• 10 feet

• 22 feet

• 100 feet

Why is it beneficial for the small intestine to be so long?

• To make our bodies taller

• To give plenty of time to absorb nutrients

• To store extra food

• To make digestion faster

Which of these is NOT absorbed in the small intestine?

• Carbohydrates

• Proteins

• Oxygen

• Vitamins

What is the main job of the large intestine?

• To break down food

• To absorb nutrients

• To absorb water and remove waste

• To produce stomach acid