Digestive System Flashcards
(26 cards)
What is the primary function of the mouth in the digestive system?
To mechanically break down food and begin the process of digestion.
True or False: Saliva contains enzymes that initiate the digestion of carbohydrates.
True
Fill in the blank: The tube that connects the mouth to the stomach is called the __________.
esophagus
What is the role of the stomach in digestion?
To further break down food using acids and enzymes.
Which acid is primarily found in the stomach?
Hydrochloric acid
True or False: The small intestine is the site where most nutrient absorption occurs.
True
What are the three parts of the small intestine?
Duodenum, jejunum, and ileum.
Multiple choice: What organ produces bile?
Liver
What is the function of bile in digestion?
To emulsify fats, aiding in their digestion and absorption.
True or False: The pancreas produces digestive enzymes that are released into the small intestine.
True
Fill in the blank: The __________ absorbs water and electrolytes, and compacts waste.
large intestine
What is the primary function of the rectum?
To store feces until they are expelled.
Multiple choice: Which of the following is NOT part of the digestive system?
Lungs
What is peristalsis?
The wave-like muscle contractions that move food through the digestive tract.
True or False: The gallbladder stores bile produced by the liver.
True
Fill in the blank: The __________ is responsible for the absorption of most nutrients.
small intestine
What are villi?
Small, finger-like projections in the small intestine that increase surface area for absorption.
Multiple choice: What is the main carbohydrate-digesting enzyme in saliva?
Amylase
What does the term ‘digestion’ refer to?
The process of breaking down food into smaller components for absorption.
True or False: The esophagus has no digestive enzymes and only transports food.
True
Fill in the blank: The __________ is the final section of the large intestine.
anus
What is the function of intestinal flora?
To aid in digestion and synthesize certain vitamins.
Multiple choice: Which part of the digestive system is primarily responsible for detoxification?
Liver
What is the role of the sphincters in the digestive system?
To control the passage of food and waste through the digestive tract.
