S2L3 Review: Alimentary System

Which organ releases digestive enzymes into the small intestine?

• pancreas

• large intestine

• stomach

• salivary glands (唾液腺)

What organ is responsible for the majority of the absorption that occurs in the digestive system?

• large intestine

• small intestine

• stomach

• oral cavity （口腔）

The human alimentary canal （消化道）consists of

• mouth

• liver

• small intestine

• oesophagus (食管)

• stomach

Where does the digestive system start?

• The liver

• The throat

• The stomach

• The mouth

What does the large intestine do?

• digest the food from this process

• makes a pathway for the food

• reabsorb a lot of the water from this process

• absorbs the food from this process

Protein digestion occurs mainly in

• 1 and 3

• 2 and 3

• 2 and 5

• 3 and 5

Which structure(s) will produce the enzyme(s) needed for the digestion of egg white?

• X only

• X and Y only

• Y and Z only

• X, Y and Z

What is the function of the gall bladder （胆囊）?

• absorption of fat

• digestion of fat

• production of bile（胆汁）

• storage of bile

What makes the small intestine have such a large surface area?

• around 6 meters long

• villi

• microvilli

• all of above

What is the role of bile in digestion?

• To emulsify (乳化) fats

• To break down proteins

• To absorb nutrients into the bloodstream

• To store digested nutrients