Unit 8 Digestive System Review

Which of the following is NOT a function of saliva?

• helps moistens & bind food

• begins chemical digestion of carbohydrates

• enables taste

• All of these are functions of saliva

What do proteolytic enzymes (proteases) chemically digest?

• carbohydrates

• lipids

• nucleic acids

• proteins

Tags

NGSS.MS-LS1-7

What specific structure increases surface area of the small intestine?

• lacteal

• ileum

• villi

• pancreatic duct

Where is bile produced?

• gallbladder

• stomach

• liver

• pancreas

What is the main function of the large intestine?

• absorb water

• absorb proteins & carbohydrates

• absorb fats & lipids

• digest macromolecules

What is a 2nd function of the large intestine?

• destroy bacteria

• release hormones

• absorb amino acids

• form feces

The bacteria in your colon consume undigested materials and they produce _____ as byproducts that get absorbed.

• mucus

• mucus & gas

• vitamins and gas

• vitamins and minerals

Which of the following is NOT part of the large intestine?

• sigmoid colon

• ascending colon

• cecum

• ileum

Where does the chemical digestion of PROTEINS begin?

• mouth

• duodenum of small intestine

• stomach

• esophagus

Tags

NGSS.MS-LS1-7

Where does mechanical digestion begin?

• pharynx

• esophagus

• mouth

• stomach