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WorksheetsU11.9-13 Lower GI Tract
Total questions: 13
Worksheet time: 7mins
Which is not a function of the small intestine?
Chemical digestion
mechanical digestion
absorption of water
absorption of nutrients
The area of the small intestine who's function is chemical digestion.
jejunum
duodenum
ileum
appendix
The name of the millions of tiny finger-like folds on the lining of the small intestine.
litheial folds
chyme
villi
epitheial folds
Why do the intestines have villi and microvilli?
to decrease the surface area
to protect the lining from stomach acids
to increase the surface area
the lining does not have villi
What is the name of the substance stored in the gallbadder?
vile
bile
nuclease
lipase
Which organ makes bile?
stomach
pancreas
galldadder
liver
Which area of the small intestine are all the enzyme from the pancreas and gallbadder secreted into.
large intestine
small intestine duodenum
stomach
small intestine jejunum
Which is not a function of the large intestine.
absorption of water
absorption of ions
storeage of feces
absorption of nutrients
What is the only nutrient the stomach can hydrolyze?
carbohydrates
proteins
lipids
nucleic acids
What structure allows chyme to pass into the small intestine?
Gallbladder
Pyloric Sphincter
Stomach
Pancreas
What is the function of sodium bicarbonate?
Increases the acidity of chyme
Digests Carbohydrates
To inactivate pepsin
Destroys pathogens
What are the accessory organs?
Arms, legs, skull
Liver , gallbladder, pancreas
Heart, lungs, liver
Liver, pancreas, appendix
