"bile is produced by the liver and travels through the bile ducts to be stored in the gallbladder." based on this information, the gallbladder could be classified as which of the following, and why? exocrine gland, because bile is delivered through a duct endocrine gland, because the liver is an endocrine gland endocrine gland, because bile does not travel through the blood exocrine system, because the liver stores the bile