Which organ in the body is responsible for insulin production?

The pancreas is the organ responsible for insulin production. It plays a crucial role in the digestive system and also regulates blood sugar levels through the secretion of hormones. When blood sugar levels rise, such as after eating, the pancreas releases insulin to help cells absorb glucose, thus lowering blood sugar to a normal range. This function is vital for maintaining homeostasis in the body and preventing conditions such as diabetes. Each of the other organs listed has their specific functions; for instance, the liver is involved in glucose metabolism and storage, the kidneys filter blood and regulate fluid balance, and the stomach is responsible for the digestion of food, but none of these produce insulin. This specialization of functions highlights the importance of the pancreas in metabolic processes.