Digestive, Respiratory, and Circulatory Systems Quiz

Which organ begins the process of chemical digestion through the release of enzymes?

• Small intestine

• Salivary glands

• Stomach

• Large intestine

Tags

NGSS.MS-LS1-7

What is the main function of the esophagus?

• To produce digestive enzymes

• To move food from the mouth to the stomach

• To absorb nutrients

• To store undigested food

What is the primary function of villi in the small intestine?

• To produce enzymes

• To increase surface area for nutrient absorption

• To store waste products

• To break down proteins

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

• Large intestine

• Small intestine

• Stomach

• Esophagus

Which structure connects the mouth to the stomach?

• Large intestine

• Small intestine

• Esophagus

• Duodenum

What is the function of the epiglottis?

• To produce saliva

• To prevent food from entering the windpipe

• To break down proteins

• To store bile

What happens in mechanical digestion?

• Chemical breakdown of food

• Physical breakdown of food into smaller pieces

• Absorption of nutrients

• Production of enzymes

Which part of the digestive system is the longest?

• Esophagus

• Large intestine

• Small intestine

• Stomach

In what part of the digestive system does most nutrient absorption occur?

• Large intestine

• Stomach

• Small intestine

• Esophagus

Tags

NGSS.MS-LS1-7

What is the final product of digestion called?

• Chyme

• Feces

• Bile

• Enzymes