Digestive System Quiz

What is the main function of the mouth in the digestive system?

• Absorb nutrients

• Break down food into smaller pieces for swallowing

• Move food to the stomach

• Produce bile

What process moves food down the esophagus?

• Digestion

• Peristalsis

• Absorption

• Secretion

Which enzyme breaks down proteins in the stomach?

• Amylase

• Lipase

• Pepsin

• Bile

What is the main site of protein digestion?

• Mouth

• Esophagus

• Stomach

• Large intestine

What is the main function of the small intestine?

• Absorb water

• Break down and absorb food molecules

• Move food to the stomach

• Produce saliva

Which enzyme breaks down fats in the small intestine?

• Pepsin

• Lipase

• Amylase

• Trypsin

What is absorbed in the small intestine?

• Proteins

• Starches

• Glucose, fatty acids, amino acids, water

• Fiber

What is the main function of the large intestine?

• Digest proteins

• Absorb any remaining water and undigested material

• Break down carbohydrates

• Produce bile

What is the main site of lipid and carbohydrate digestion?

• Mouth

• Esophagus

• Small intestine

• Large intestine

What are enzymes?

• Simple sugars

• Special proteins that assist in digestion

• Types of fats

• Complex carbohydrates