Structure And Function Of Digestive System Essay Assignment Paper

The rectum is an 8-inch chamber that connects the colon to the anus. It is the rectum’s job to receive stool from the colon, to let the person know that there is stool to be evacuated, and to hold the stool until evacuation happens. When anything (gas or stool) comes into the rectum, sensors send a message to the brain. The brain then decides if the rectal contents can be released or not. If they can, the sphincters relax and the rectum contracts, disposing its contents. If the contents cannot be disposed, the sphincter contracts and the rectum accommodates so that the sensation temporarily goes away.

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The pancreas has an endocrine function because it releases juices directly into the bloodstream, and it has an exocrine function because it releases juices into ducts. Enzymes, or digestive juices, are secreted by the pancreas into the small intestine. There, it continues breaking down food that has left the stomach. The pancreas also produces the hormone insulin and secretes it into the bloodstream, where it regulates the body’s glucose or sugar level. Problems with insulin control can lead to diabetes. Other possible health problems include pancreatitis and pancreatic cancer.

Structure And Function Of Digestive System Essay Assignment Paper

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