All of the following secrete substances into the duodenum EXCEPT:

A. salivary glands
B. gallbladder
C. liver
D. pancreas



Answer :

Final answer:

The gallbladder is the organ that does not secrete substances into the duodenum.


Explanation:

The gallbladder is the organ that does NOT secrete substances into the duodenum. The salivary glands, liver, and pancreas all secrete substances into the duodenum for chemical digestion.


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