Quiz on the Digestive System

What is the primary function of the mouth in the digestive process?

• To secrete digestive juices

• To transport food to the stomach

• To absorb nutrients

• To break down whole food

Which adaptation of the stomach aids in mechanical digestion?

• Length of the small intestine

• Goblet cells in the lining

• Layers of smooth muscle tissue

• Presence of taste buds

What is the role of saliva in the mouth?

• To create chyme

• To absorb nutrients

• To form the bolus

• To secrete gastric juices

What is the function of the epiglottis?

• To mix food in the stomach

• To prevent choking

• To secrete enzymes

• To absorb nutrients

What is the main function of the small intestine?

• Egestion

• Mechanical digestion

• Chemical digestion and absorption

• Secretion of bile

What increases the surface area of the small intestine?

• Rugae

• Goblet cells

• Villi and microvilli

• Salivary glands

What is the primary role of the large intestine?

• Chemical digestion

• Absorption of nutrients

• Egestion of undigestible food

• Secretion of enzymes

Which process involves breaking down large molecules into smaller ones?

• Absorption

• Egestion

• Chemical digestion

• Ingestion

What is the function of taste buds?

• To absorb nutrients

• To protect against harmful substances

• To secrete digestive enzymes

• To form the bolus

What is the role of the villi in the small intestine?

• To transport food to the stomach

• To mix food

• To increase surface area for absorption

• To secrete gastric juices