7.12B Digestive System

Fill in the Blanks

begins when food 

enters the mouth

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is the process that breaks 

food down into 

small molecules

Multiple Choice

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

Open Ended

What are the four types of functions of the digestive system? Please use the followoing sentence starter: The 4 types of functions are ____________, ____________, _________, and __________.

Multiple Choice

Which is not an example of mechanical digestion?

• Teeth chewing food

• Tongue breaking up food

• Smooth muscles in stomach churning food

• Pepsin & HCl breaking down proteins

Multiple Choice

What are the muscle contractions that push food through the digestive system called?

• Elimination

• Peristalsis

• Epiglottis

• Pepsin

Multiple Choice

Where does most digestion take place?

• Mouth

• Stomach

• Small intestine

• Liver

Multiple Choice

Which is true about bile?

• Bile breaks down proteins.

• Bile is produced in the liver.

• Bile is stored in the pancreas.

• Bile is released into the stomach.

Multiple Choice

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.

Multiple Choice

What do the bacteria in the large intestine do?

• Make you sick

• Make bile

• Make vitamins

• Make food