Bile is released into the ________ when stimulated by _________. Choose the correct option to fill in the blanks.
Ileum and serotonin respectively
Jejunum and secretin respectively
Duodenum and cholecystokinin respectively
Fundus and serotonin respectively
So, Bile is released into the duodenum when stimulated by cholecystokinin (CCK). Hence, the correct answer is option c.