U11.9-13 Lower GI Tract

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 primary function of the small intestine

• Absorption of water
• Absorption of nutrients
• Physical breakdown of food
• Storage of bile

What is the only nutrient the stomach can hydrolyze?

• carbohydrates

• proteins

• lipids

• nucleic acids