Digestive system

Digestive system

D.L.O. To learn the components of the digestive system.

What is the small intestine and its function? The small intestine also known as the small bowel is an organ in the gastrointestinal tract where most of the already processed nutrients and minerals from food takes place. It lies Between the stomach and the large intestine, and receives bile and pancreatic juice through the pancreatic duct to aid in digestion. The small intestine is the part of the intestines where upto 90% of the digestion and absorption of food occurs, the other 10% taking place in the stomach and large intestine. The main job of the small intestine is to absorb nutrients and minerals from food.

What is the large intestine and its function? The purpose of the large intestine is to engross water and salts from the minerals that have not yet been processed as food, and get rid of any  waste products or left overs. By the time food mixed digestive juices reaches your large intestine, most digestion and absorption has already taken place.

What is the function of the colon? The colon is a part of the large intestine, the final part of the digestive system. Its function is to reprocess fluids and to absorb waste products from the body and prepare for its elimination. The colon is made up of four parts: descending colon, ascending colon, transverse colon, and sigmoid colon.

What is the function of the rectum? The rectum is the final part of the large intestine that connects the colon to the anus. It stores fecal matter produced in the colon until the body is prepared to discard the waste through the process of defecation.

What is the function of the anus? The anus is the end of the gastrointestinal [GI] tract. When the rectum is full, your body feels the urge to have a bowel movement. The internal anal spincher relaxes and pushes  the stool from the rectum into the anal canal.