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The liver and pancreas are both exocrine and endocrine glands; they are exocrine glands because they secrete productsâ bile and pancreatic juice âinto the gastrointestinal tract through a series of ducts, and endocrine because they secrete other substances directly into the bloodstream.
and ductless glands that secrete chemical messengers called hormones into the bloodstream â¢The hypothalamus, pituitary, and pineal gland are part of the brain and create a link between both the nervous system and the endocrine system (the two control systems within the body) https://www.khanacademy.org/science/health-and-medicine/advanced-endocrine-