The liver is an accessory organ of digestion because it contributes to the process of digestion but is not physically involved in breaking down food like the stomach or small intestine. Its main role in digestion is to produce and secrete bile, which helps emulsify fats and aids in their digestion and absorption in the small intestine.

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The Liver

Question 175

Multiple Choice

The liver:

A) is an accessory organ of digestion because it digests food and returns the waste to the digestive system.
B) is an accessory organ of digestion; it contributes to, but is not physically involved in, the process of digestion.
C) is an organ of digestion because it digests fats.
D) is an organ of digestion because it digests proteins.

Correct Answer: