Digestive System

Step 1: Understanding the Question.
This question asks about the organs that make up the digestive system, with one option being incorrect.

Step 2: Analyzing the Options.
(A) Pancreas: The pancreas is part of the digestive system, as it produces enzymes that aid digestion.
(B) Liver: The liver is involved in digestion, producing bile to help digest fats.
(C) Kidneys: Correct — The kidneys are part of the excretory system, not the digestive system.
(D) Gallbladder: The gallbladder stores bile and is part of the digestive system.

Step 3: Conclusion.
The correct answer is (C) Kidneys, as they are not part of the digestive system.