Digestive System

Where does most digestion take place?

• mouth

• large intestine

• small intestine

• liver

Which process occurs in the large intestine?

• Digested food is absorbed

• Undigested food is absorbed

• Water is added to undigested food

• Water is absorbed from undigested food

Which is true about bile?

• Breaks down proteins

• Produced

• Stored in the pancreas

• Release

How long is the large intestine?

• 3 meters

• 6 meters

• 1.5 meters

• 12 inches

What do the bacteria in the large intestine do?

• Make you sick

• Make bile

• Make vitamins

• Make food

True or False: the small intestine is longer than the large intestine

What are the different types of digestion

• Mechanical and chemical

• Thermal and mechanical

• Chemical and thermal

• None of the above

Where does digestion begin at?

• liver

• mouth

• stomach

• all of the above

Which is NOT a function of the digestive system?

• breaking down food into molecules the body can use

• absorbing food molecules into the blood to deliver to the body

• changing waste into molecules the body can use

• eliminating undigested waste from the body

Which is NOT an example of mechanical digestion?

• teeth chewing food

• tongue breaking up food

• smooth muscles in stomach churning food

• pepsin and HCI breaking down proteins