Absorption, Assimilation and Egestion

Which structure of the small intestine is used to absorb nutrients?

• Cilia

• Villi

• Hair

• Muscle

Villi help to increase __________.

• Peristalsis

• Surface area

• Absorption

• Diffusion

What three things are associated with a villus?

• Blood capillaries, microfissures and lymph vessels

• Blood capillaries, lymph vessels and nutrients

• Blood capillaries, lymph vessels and microvilli

• Blood capillaries, nutrients and microvilli

Amino acids go into the lacteal of the villus when absorbed.

• True

• False

______ goes into the blood capillaries when absorbed.

• Glucose

• Protein

• Fatty acids and glycerol

• Starch

________ goes into the lacteal to be absorbed.

• Glucose

• Minerals

• Fatty acids and glycerol

• Amino Acids

Which is NOT an adaptation of the villi?

• Has nerves designed to sense passage of nutrients.

• Has muscle strands designed to move the villi.

• Has blood vessels close to the epithelium.

• Has microvilli that further increases surface area.

Amino acids are taken into the body tissues for use in growth and body building.

• True

• False

_________ is used for energy or warmth.

• Glucose

• Amino Acids

• Minerals

• Fatty Acids and Glycerol

In the large intestine, _________ is absorbed from undigested food and it is formed into feces.

• Nutrients

• Mucus

• Enzymes

• Water