Create an account
___ provides the raw materials and nutrients needed by the cell to use to reproduce and build new tissue
the energy needed in cell production and tissue building is release from food in the process of ___ ____
the function of the ___ ____ is to change these complex organic nutrient molecules into simple organic and inorganic molecules that can be absorbed into the blood or lymph to be transported to cells
divisions of the digestive system are the ___ ___ and the ___ ___
alimentary tube and the accessory organs
the alimentary tube consists of what?
oral cavity phyarnx, esophagus, stomach, small intestines and the large intestines(colon)
the layer that contains Messiners plexus(automomic nerve networks) to regulate secretions is the ____
the layer of the alimentary canal tube that is responsible for peristalasis is the ___ ___ ___
external muscle layer
what are the accessory organs that each contribute to the digestive process?
teeth, tongue, salivary glands, liver, gallbladder and pancreas
what are examples of mechanical digestion?
chewing, contractions of the small intestines, the churning of the stomach
what are some examples of chemical digestion?
action of lipase on fats, action of trypsin on protein, and action of amylase on starch
the end product of carbohydrate digestion are monosacchrides which are ___ ___ and ___
glucose, fructose and galactose
within the oral cavity are the __ and the __ and the openings of the ducts of the ___ ___
teeth tongue salivary glands
the pulp cavity contains the blood vessels and branches of the ____ ____
secretion of saliva is a _______ response innvervated by the glossopharygeal nerve and facial nerve
back up of food from the stomach to the esophagus is prevented by the lower esophageal _____, if this does not close sufficently you get splash back into the esophagus, which is called ____
___ is located in the upper left quad of the abdominal cavity, to left of the liver and in front of the spleen
one inch in diameter and about twenty feet long, extends from the stomach to the cecum of the large intestines
digestion is completed in the ___ ___ and the end products of digestion are absorbed into the ___ and the ___
small intestines blood lymph
what are the three sources of digestive secretions that function within the small intestines?
liver, pancreas, and small intestines
the ___ duct takes the bile out of the liver to cystic duct, which unites with the common bile duct which then takes the bile to the ___
the production of bile is stimulated by the ___ ___, which is produced by the duodenum when food enters the small intestines
_____ stimulates contractions in the gallbladder which then secrete the bile into the small intestines
what are the functions of the gallbladder?
stores bile, concentrate bile, and contract to propel bile to the duodenum
the enzymes of the pancreas contribute to the digestion of ___ ___ and ___
proteins, fats and starches
when chyme enters the small intestines ___ stimulates the production of bicarb juices by the pancreas
surface area of absorption is increase in the small intestines by _____, ___ ____, and ____
microvilli, plica circulars, and villia
an example of water soluble vitamin that is absorbed in the capillary networks by active transport is ____
___ from the capillary networks travel first to through the portal veins of the liver before returning to the heart
the functions of the colon are : absorption of ___, absorption of ___ and ____ , and ___ of undigested materials
water vitamins minerals elimination
vitamins in the colon especially vitamin __ are produced in the colon by the normal bacterial flora
___ ___ ___ surrounds the internal anal sphincter, voluntary control of defecation by contracing
external anal sphincter
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together