5.3 - Structures for Digesting Food

What is the process that breaks down food into smaller substances that the body can use?

• Digestion

• Absorption

• Circulation

• Respiration

Which one is the first structure/step in the digestive system that breaks down food?

• Esophagus

• Stomach

• Small Intestine

• Mouth

What is the function of saliva in the digestive system?

• Absorbing nutrients

• Breaking down food

• Transporting waste

• Producing energy

Which digestive structure absorbs useful parts of the food?

• Mouth

• Esophagus

• Stomach

• Small Intestine

What does the blood carry from the digested food to all parts of the body?

• Water

• Undigested food

• Useful materials

• Waste

Where does the undigested food move after the small intestine?

• Mouth

• Esophagus

• Stomach

• Large Intestine

What does the large intestine do to the undigested food?

• Absorbs water

• Breaks it down

• Transports it to the stomach

• Removes nutrients

What does the solid material that is left in the large intestine become?

• Blood

• Waste

• Saliva

• Useful materials

How does the digestive system help an animal grow and stay healthy?

• By providing energy

• By producing waste

• By absorbing water

• By breaking down food

What is the function of the stomach in the digestive system?

• Absorbing nutrients

• Breaking down food

• Transporting waste

• Producing energy