Digestive System Quiz: Key Facts

Which organ is primarily responsible for the absorption of nutrients in the digestive system?

• Stomach

• Small intestine

• Large intestine

• Esophagus

What is the main function of the large intestine?

• Absorption of nutrients

• Absorption of water

• Production of insulin

• Breakdown of proteins

Which structure prevents food from entering the windpipe during swallowing?

• Trachea

• Epiglottis

• Larynx

• Uvula

What is the main function of the esophagus?

• Absorption of nutrients

• Transport of food to the stomach

• Production of digestive juices

• Storage of food

Which of the following organs produces insulin?

• Liver

• Pancreas

• Stomach

• Gallbladder

Which of the following is NOT a function of the stomach?

• Mechanical digestion

• Chemical digestion of proteins

• Absorption of most nutrients

• Temporary storage of food

Which part of the digestive system is responsible for most water absorption?

• Stomach

• Large intestine

• Small intestine

• Esophagus

Which part of the digestive system connects the mouth to the stomach?

• Trachea

• Esophagus

• Large intestine

• Pancreas

What is the primary function of the small intestine?

• Absorption of nutrients

• Production of bile

• Storage of waste

• Mechanical digestion

Which part of the digestive system is responsible for the initial breakdown of carbohydrates?

• Stomach

• Mouth

• Large intestine

• Esophagus