16 Questions
Which organ secretes protein-digesting hydrochloric acid (HCl) and the enzyme pepsin?
Stomach
What is the primary function of the digestive system?
Absorbing nutrients into the bloodstream
What is the function of salivary amylase in the digestive process?
Breaking down starch in the mouth
Which structure moves food into the stomach by peristalsis?
Esophagus
What is the primary role of the small intestine in digestion?
Receiving secretions from accessory organs for digestion
Which organ is primarily responsible for biting and chewing food?
Mouth
Where does the digestion of starch begin?
Salivary glands
Which organ secretes bile salts to break down fats?
Liver
What is the function of the large intestine?
Storage and elimination of undigested waste material
Which structure carries bile into the duodenum?
Common bile duct
What is the function of the lacteal in the small intestine?
Absorb digested fats into the lymph
What is the terminal portion of the small intestine called?
Ileum
What is the function of the lower esophagus sphincter (LES)?
Prevent stomach from emptying into the intestine
Which organ secretes a variety of digestive enzymes?
Pancreas
What is the main function of the hepatic portal system?
Bring blood directly from abdominal organs to the liver for processing
What organ is responsible for secreting bile needed for digestion and absorption of fats?
Liver
Test your knowledge about the organs and functions of the human digestive system with this quiz. Learn about the digestive tract, organs, and the process of digestion.
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