Digestive System Quiz

What is the main function of the digestive system?

• Absorbing oxygen

• Carrying nutrients

• Eliminating waste

• Pumping blood

Which organ churns and mixes food with digestive enzymes?

• Stomach

• Liver

• Pancreas

• Small intestine

What is the tube-like structure that connects the throat to the stomach?

• Esophagus

• Appendix

• Gallbladder

• Rectum

The small finger-like projections in the small intestine are called:

• Alveoli

• Bronchioles

• Capillaries

• Villi

Which enzyme is produced in the mouth to break down starches?

• Pepsin

• Amylase

• Lipase

• Trypsin

Bile is produced by which organ?

• Gallbladder

• Kidney

• Spleen

• Large intestine

What is the last section of the small intestine called?

• Duodenum

• Jejunum

• Ileum

• Pancreas

What is the process by which nutrients pass from the digestive system into the bloodstream?

• Ingestion

• Digestion

• Absorption

• Elimination

Where does the digestion of proteins primarily take place?

• Mouth

• Stomach

• Small intestine

• Large intestine

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

• Esophagus

• Brain

• Pancreas

• Rectum