Digestive System Mini Unit Review

Which chemical reaction takes place in the stomach?

• Proteins are digested by protease

• Proteins are digested into fatty acids

• Starch is digested into amino acids

• Starch is digested by lipase

Why does chewing food speed up digestion?

• Bacteria in the food are killed

• Food is mixed with protease in the mouth

• The surface area of the food is increased

• The taste of the food is improved

The activity of lipase is measured in four parts of the gut. Which part has the most lipase activity?

• colon

• duodenum

• esophagus

• stomach

The diagram shows a large food molecule changing into smaller molecules. Which process is X representing?

• Absorbsion

• Chewing

• Digestion

• Secretion

Tags

NGSS.MS-LS1-7

Small molecules that are used by the body to build new molecules or for energy have been ...

• absorbed

• assimilated

• digested

• ingested

Tags

NGSS.MS-LS1-7

Which process happens first in our alimentary canal?

• Digestion

• Egestion

• Ingestion

• Absorption

Which process is last in the alimentary canal?

• Digestion

• Ingestion

• Absorption

• Egestion

Letter A ...

• Makes hydrochloric acid

• Makes bile

• Makes amylase

• Performs egestion

Letter B ...

• Makes hydrochloric acid

• Makes bile

• Makes amylase

• Performs egestion

Letter C ...

• Makes hydrochloric acid

• Makes bile

• Makes amylase

• Performs egestion