Where is the largest number of hormone-producing cells found in the body?
A. The pituitaryThe small intestine is the body's largest reservoir of hormoneproducing cells. Multiple specialized cells within the intestinal mucosa respond to luminal stimuli and secrete over 30 peptide hormones which regulate the functions of the intestine, other organs in the gastro-entero-pancreato-biliary system, the heart, and the brain.