Digestive System Quiz

What is the purpose of the digestive system?

• To break down food into usable forms

• To absorb nutrients from the bloodstream

• To eliminate waste products

• To produce enzymes for digestion

Which organs are part of the digestive tract?

• Liver, gallbladder, pancreas

• Mouth, esophagus, stomach, small intestine, large intestine

• Duodenum, villi, microvilli

• E. coli bacteria

What is the function of the mouth in digestion?

• Mechanical digestion

• Chemical digestion

• Absorption

• Excretion

What enzyme is produced by the salivary glands in the mouth?

• Amylase

• Pepsin

• Bile

• Sodium bicarbonate

What is the role of the stomach in digestion?

• Mechanical digestion

• Chemical digestion

• Absorption

• Excretion

What enzyme breaks down proteins in the stomach?

• Amylase

• Pepsin

• Bile

• Sodium bicarbonate

Where does most of the digestion and absorption occur?

• Mouth

• Esophagus

• Stomach

• Small intestine

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

• Breaks down fat

• Stores bile

• Secretes enzymes

• Absorbs water

What is the function of the gallbladder?

• Breaks down fat

• Stores bile

• Secretes enzymes

• Absorbs water

What does the pancreas secrete to neutralize acidic chyme?

• Amylase

• Pepsin

• Bile

• Sodium bicarbonate