Digestive System Quiz

What is the primary role of the digestive system?

• To store energy

• To break down food into nutrients

• To eliminate waste through the lungs

• To transport oxygen to cells

What are the main hollow organs of the GI tract?

• Liver, pancreas, gallbladder

• Mouth, esophagus, stomach, small intestine, large intestine

• Lungs, esophagus, stomach, small intestine

• Heart, liver, kidneys

Which of the following is NOT part of the digestive system?

• Stomach

• Liver

• Brain

• Pancreas

What is peristalsis?

• The process of chewing food

• The wave-like muscle movements that move food through the GI tract

• The secretion of bile from the liver

• The absorption of nutrients in the small intestine

Where does digestion begin?

• In the esophagus

• In the stomach

• In the mouth

• In the small intestine

Which organ produces bile?

• Liver

• Gallbladder

• Pancreas

• Stomach

What is the role of the small intestine in digestion?

• Absorbs digested nutrients into the bloodstream

• Breaks down food using saliva

• Stores food until it moves to the large intestine

• Removes waste from the body

What does saliva help break down?

• Fats

• Proteins

• Starches

• Minerals

Which part of the digestive system stores and concentrates bile?

• Stomach

• Gallbladder

• Small intestine

• Pancreas

The large intestine is mainly responsible for:

• Digesting fats

• Breaking down proteins

• Absorbing water and forming stool

• Absorbing nutrients