Digestion Flashcards
What is the primary function of the digestive system?
To break down food into nutrients that can be absorbed by the body
True or False: Digestion starts in the mouth.
True
Which enzyme in saliva helps break down carbohydrates?
Amylase
Where does most nutrient absorption occur in the digestive system?
Small intestine
What is the main function of the large intestine?
To absorb water and salts from the material that has not been digested
What is the role of bile in digestion?
To emulsify fats for better digestion
Which organ produces bile?
Liver
What is the function of the pancreas in digestion?
To produce enzymes that help break down carbohydrates, proteins, and fats
True or False: The stomach is the primary site of nutrient absorption.
False
What is the main function of the stomach?
To break down food mechanically and chemically
What is the name of the wave-like muscle contractions that move food through the digestive system?
Peristalsis
Which organ releases digestive enzymes into the small intestine?
Pancreas
What is the lining of the small intestine covered in that increases surface area for nutrient absorption?
Villi
What is the function of the gallbladder in digestion?
To store and concentrate bile produced by the liver
What is the main function of the esophagus in the digestive system?
To transport food from the mouth to the stomach
True or False: The digestive system also plays a role in the immune system.
True
What is the sphincter at the end of the stomach that controls the release of food into the small intestine called?
Pyloric sphincter
Which organ produces digestive juices that help break down food in the small intestine?
Pancreas
What is the function of the appendix in the digestive system?
The exact function is unclear, but it may play a role in immune function
What is the primary function of the colon in the digestive system?
To reabsorb fluids and process waste products from the body
True or False: The digestive system is responsible for producing hormones.
True
What is the name of the process by which nutrients are taken into the bloodstream from the small intestine?
Absorption
Which organ is responsible for storing and concentrating bile?
Gallbladder
What is the main function of the rectum in the digestive system?
To store feces until they are ready to be excreted
