Digestive system

Which of the following best describes the function of the digestive system?

• Circulates oxygen throughout the body

• Breaks down food into nutrients for the body

• Controls movement and coordination

• Regulates body temperature

Which organ is primarily responsible for the mechanical and chemical breakdown of food?

• small intestine

• Liver

• esophagus

• Stomach

What is the function of the small intestine in the digestive system?

• Absorbing nutrients into the bloodstream

• Breaking down food using enzymes

• Storing bile produced by the liver

• Mixing food with gastric juices

Which of the following is NOT a stage of the digestive process?

• Digestion

• Ingestion

• Assimilation

• Egestion

What is the primary function of the pancreas in the digestive system?

• Producing bile for fat digestion

• Absorbing nutrients from digested food

• Absorbing nutrients from digested food

• Producing enzymes to aid in digestion

What happens during the process of absorption in the digestive system?

• Food is chewed and mixed with saliva

• Waste products are eliminated from the body

• Nutrients are taken into the bloodstream

• Food is broken down into smaller molecules

The process of breaking down food into smaller molecules by enzymes is known as:

• Egestion

• Ingestion

• Digestion

• Absorption

Where does the majority of nutrient absorption occur in the digestive system?

• Stomach

• Large intestine

• Small intestine

• Mouth

What is the final stage of the digestive process where waste is eliminated from the body?

• Ingestion

• Absorption

• Digestion

• Egestion

What substance helps to lubricate food and initiate the digestion process in the mouth?

• Bile

• Gastric juices

• Saliva

• Pancreatic enzymes