Absorption and assimilation

The villi provides a surface area for the absorption of nutrients into the bloodstream.

• True

• False

What is H?

• pancreas

• liver

• small intestine

• large intestine

Which organ in the digestive system absorbs the most water from food?

• esophagus

• large intestine

• small intestine

• stomach

Fingerlike projection of the small intestine that increase the surface area for absorption are called

• bronchi

• alvioli

• villi

• chyme

In this villus structures P and Q absorb different nutrients. What do P and Q absorb?

• P: Amino acids, Q: Glucose

• P: Glucose, Q: Fatty acids

• P: Fatty acids, Q: Maltose

• P: Sucrose, Q: Amino acids

Which of the following adaptations of the villi increase the absorption of food molecules?

• Digestive enzymes produced

• Large surface area

• Microvilli

• Good blood supply with lots of capilaries

Which of the following are the three functions of liver?

• Storage of iron

• Storage of bile

• deamination of excess amino acids

• Storage of glycogen

Which of the following is the function of colon?

• Digest food materials

• Absorb digested food

• Stores indigestible materials

• Absorb water from indigestible materials

Which of the following are the two functions of liver?

• Break down excess fatty acids

• Break down excess amino acids

• Storage of bile

• Storage of glycogen

Egestion/defaecation refers to the removal of

• undigested food.

• digested food.