The Gastrointestinal System - Major Organs of the GI System Part 7 Flashcards
The large intestine is ____ feet long
5
The main function of the large intestine is to receive waste material from the small intestine, absorb water and sodium from the waste material before it passes out of the body, and incubate bacteria that produce ____
essential vitamins
The large intestine forms a ____ around the small intestine
three-sided frame
At the joint of the small and large intestines, there’s a pouch called the ____
cecum
The ileocecal valve (a sphincter-like structure) ____’s from the ileum of the small intestine to the cecum of the large intestine
regulates the passage of material
When material enters the large intestine, most of the digestible nutrients have already been absorbed by the small ____
small intestine
The chyme has become fecal matter, which may take one to three days to move from the ileocecal valve to the ____, the terminal portion of the large intestine
rectum
The portion of the large intestine between the cecum and the rectum is called the ____
colon
The ascending colon “____” straight up from the cecum to the liver
“climbs”
The transverse colon goes “____” the abdomen
“across”
The descending colon goes “____” along the flank
“down”
The sigmoid colon, which makes an S shape, empties into the ____
rectum
The internal sphincter will relax automatically when the rectum fills with feces, stimulating the desire to ____
defecate
The external sphincter, or anus, is controlled ____
voluntarily