Human Digestive System Anatomy Quiz

Test your knowledge on the human digestive system anatomy and its functions with these quiz questions. Learn about organs, enzymes, and processes!

#1

Which organ produces bile?

Liver
Stomach
Pancreas
Small intestine
14 answered
#2

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

Produce bile
Produce digestive enzymes
Store excess nutrients
Absorb water
14 answered
#3

What is the primary function of the large intestine in the digestive system?

Digestion of proteins
Absorption of nutrients
Absorption of water
Production of bile
14 answered
#4

What is the role of hydrochloric acid in the stomach?

Digest proteins
Neutralize stomach acid
Emulsify fats
Absorb water
12 answered
#5

Which part of the tooth is responsible for grinding and chewing food?

Crown
Root
Enamel
Molar
13 answered
#6

Which enzyme is responsible for breaking down carbohydrates?

Amylase
Lipase
Trypsin
Pepsin
12 answered
#7

Where does the absorption of most nutrients occur in the digestive system?

Stomach
Large intestine
Small intestine
Esophagus
12 answered
#8

Which enzyme is responsible for breaking down lipids (fats) in the digestive system?

Amylase
Lipase
Trypsin
Pepsin
11 answered
#9

What is the name of the wave-like muscle contractions that move food through the digestive system?

Peristalsis
Digestion
Absorption
Assimilation
11 answered
#10

What is the main function of the gallbladder in the digestive system?

Digest proteins
Store and concentrate bile
Produce digestive enzymes
Absorb nutrients
11 answered
#11

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

Secrete digestive enzymes
Absorb nutrients
Produce bile
Mix food with digestive juices
11 answered
#12

Which hormone stimulates the release of digestive enzymes and bile into the small intestine?

Insulin
Glucagon
Gastrin
Cholecystokinin (CCK)
11 answered
#13

In which part of the digestive system are most nutrients finally absorbed into the bloodstream?

Stomach
Mouth
Small intestine
Large intestine
11 answered
#14

What is the name of the muscular ring that regulates the passage of food between the esophagus and the stomach?

Epiglottis
Cardiac sphincter
Pyloric sphincter
Duodenal sphincter
10 answered
#15

Which of the following is NOT a component of gastric juice?

Pepsinogen
Hydrochloric acid
Mucus
Amylase
10 answered

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