Digestive System Organs Quiz

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

• Absorption of nutrients

• Secretion of bile

• Mechanical breakdown of food

• Production of insulin

Which organ is responsible for the majority of chemical digestion and nutrient absorption?

• Esophagus

• Small intestine

• Large intestine

• Stomach

What is the main role of the stomach in digestion?

• Absorb nutrients

• Produce digestive enzymes

• Store undigested food

• Break down proteins

The liver has many functions in the digestive system. Which of the following is NOT one of them?

• Producing bile

• Regulating blood sugar levels

• Absorbing fats

• Detoxifying chemicals

Which organ is primarily responsible for water absorption from digested food?

• Small intestine

• Stomach

• Large intestine

• Liver

What is the function of bile in the digestive system?

• It breaks down carbohydrates

• It emulsifies fats

• It neutralizes stomach acid

• It absorbs vitamins

Where does the process of carbohydrate digestion begin?

• Stomach

• Mouth

• Small intestine

• Large intestine

What role does the pancreas play in digestion?

• It stores bile

• It produces digestive enzymes and bicarbonate

• It absorbs nutrients

• It eliminates waste products

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

• Transporting food to the stomach

• Absorbing nutrients

• Secreting mucus

• Peristalsis

The gallbladder plays an important role in digestion by:

• Producing digestive enzymes

• Storing and concentrating bile

• Absorbing water

• Breaking down proteins