what is the function and origin of secretin anatomy and physiology
Millions of cells form tissues and organs that all talk to each other via messages sent throughout the body. One type of messenger in the body are hormones. Hormones are chemical substances that travel through the blood and throughout the body to control bodily functions. One very important hormone is secretin. Secretin is a hormone that controls parts of the digestive system and maintains water balance in the body. It's released by the duodenum, the upper part of the small intestine. Let's explore the functions of secretin in closer detail.