Digestive System Quiz

What is the main function of the digestive system?

• Producing blood

• Breaking down food into molecules the body can use

• Absorbing oxygen into the blood

• Filtering waste from the blood

What are the four stages of digestion?

• Ingestion, Absorption, Circulation, Elimination

• Digestion, Circulation, Absorption, Elimination

• Ingestion, Digestion, Absorption, Elimination

• Ingestion, Excretion, Digestion, Circulation

Where does most digestion and nutrient absorption occur?

• Stomach

• Large intestine

• Small intestine

• Esophagus

What enzyme is released in the mouth to start breaking down carbohydrates?

• Pepsin

• Lipase

• Amylase

• Trypsin

Which part of the digestive system is responsible for the absorption of water?

• Stomach

• Large intestine

• Small intestine

• Gallbladder

What is peristalsis?

• Chemical breakdown of food

• Muscle movement pushing food through the digestive system

• The process of swallowing

• Mixing of food with bile

What is the role of bile in digestion?

• To break down proteins

• To neutralize stomach acid

• To emulsify fats

• To digest carbohydrates

Where is bile stored?

• Liver

• Gallbladder

• Pancreas

• Stomach

Which enzyme breaks down proteins in the stomach?

• Pepsin

• Amylase

• Lipase

• Maltase

What is the chyme?

• A digestive enzyme

• A fluid that neutralizes acid

• A thick liquid formed in the stomach

• A part of the small intestine