Digestive System

Which of the following tasks are performed by the digestion system?

• Ingestion

• Absorption

• Digestion

• Building muscle

Breaking down of food into their constituent biomolecules is called...

• Absorption

• Elimination

• Digestion

• None of these

Chewing or taking in food products through the mouth is called..

• Ingestion

• Digestion

• Absorption

• None of these

Digestion begins in the mouth because enzymes in the mouth begin breaking down food

• True

• False

The epiglottis helps to direct a bolus...

• Towards the trachea by blocking the espphagus

• Towards the windpipe by blocking the pharynx

• Towards the esophagus by blocking the trachea

• All of these

What are two methods of digestion? (select all correct answers)

• Mechanical

• The teeth

• Chemical

• The stomach

What is the first step in the human digestive process?

• Ingestion

• Digestion

• Absorption

• Elimination

What does saliva do in the mouth?

• It breaks down food.

• It makes food spicy.

• It colors the food.

• It freezes the food.

Absorption of nutrients happens along the lining of the intestines

• True

• False

Where does most nutrient absorption occur?

• In the mouth

• In the small intestine

• In the esophagus

• In the stomach