Question

the first 25 centimeters of the small intestine is called the _______. colon cecum duodenum gallbladder

Explanation:

The duodenum is the first part of the small intestine, approximately 25 centimeters long. The colon is part of the large - intestine, the cecum is the beginning of the large intestine, and the gallbladder is an organ that stores bile and is not part of the small intestine.

Answer:

C. duodenum