In this interactive human biology instructional activity, students view an illustration of the digestive system and drag the 12 appropriate parts of the digestive system to the correct boxes.

Interactive tests knowledge of the digestive system. Do you know where the stomach, large intestine, and gall bladder are located?

Take a look inside the human body's digestive system. This site features diagrams of the digestive tract and each part is accompanied by labels and descriptions. Just select an organ by moving the mouse over its image.

Roll-over labeled diagram highlights the function of each component in the digestive system: mouth, pharynx, epiglottis, esophagus, liver, gallbladder, stomach, pancreas, small intestine, large intestine, appendix, and anus.

Test your knowledge of the human digestive system with this interactive labeling exercise.

Rotatable three-dimensional model of the body with components of the digestive system labeled.