Which of the following is a hollow organ?

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Multiple Choice

Which of the following is a hollow organ?

Explanation:
A hollow organ contains a lumen and can expand to hold contents. The stomach fits this description because it is a sac-like chamber of the digestive tract that stores and mixes ingested food with gastric juices. Its inner lining has folds (rugae) that unfold as it fills, allowing it to expand to accommodate varying amounts of food. In contrast, the liver, pancreas, and spleen are solid organs composed of tissue without a large, expandable lumen. They perform enzymatic production, metabolic processing, and immune functions rather than serving primarily as containers for contents. So, the stomach is the hollow organ among these options.

A hollow organ contains a lumen and can expand to hold contents. The stomach fits this description because it is a sac-like chamber of the digestive tract that stores and mixes ingested food with gastric juices. Its inner lining has folds (rugae) that unfold as it fills, allowing it to expand to accommodate varying amounts of food.

In contrast, the liver, pancreas, and spleen are solid organs composed of tissue without a large, expandable lumen. They perform enzymatic production, metabolic processing, and immune functions rather than serving primarily as containers for contents. So, the stomach is the hollow organ among these options.

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