Digestive system Flashcards
(26 cards)
What is the primary function of the digestive system?
To break down food into nutrients that the body can use.
True or False: The mouth is the starting point of the digestive system.
True
Fill in the blank: The __________ is a muscular tube that connects the throat to the stomach.
esophagus
What are the three main functions of the stomach?
To store food, to mix food with digestive juices, and to begin the digestion of proteins.
Which organ is responsible for absorbing most of the nutrients from food?
Small intestine
What is the role of the liver in digestion?
To produce bile, which helps in the digestion of fats.
True or False: The pancreas produces digestive enzymes and hormones.
True
What is the function of the large intestine?
To absorb water and electrolytes from indigestible food matter.
Multiple Choice: Which of the following is NOT part of the digestive system? A) Stomach B) Lung C) Liver
B) Lung
What is the process of breaking down food into smaller molecules called?
Digestion
Fill in the blank: The __________ helps to neutralize stomach acid in the small intestine.
pancreatic juice
What are villi and where are they located?
Villi are small finger-like projections in the small intestine that absorb nutrients.
True or False: The digestive process begins in the stomach.
False
What is the role of saliva in digestion?
To begin the breakdown of carbohydrates and to help lubricate food for swallowing.
Multiple Choice: Which part of the digestive system is primarily involved in water absorption? A) Stomach B) Small intestine C) Large intestine
C) Large intestine
What is the term for the wave-like muscle contractions that move food through the digestive tract?
Peristalsis
Fill in the blank: The __________ secretes bile and is located just below the liver.
gallbladder
True or False: The appendix has no known function in the digestive system.
False
What is the main function of the rectum?
To store feces before they are excreted.
Multiple Choice: Which enzyme breaks down proteins in the stomach? A) Amylase B) Pepsin C) Lipase
B) Pepsin
What is the primary role of dietary fiber in the digestive system?
To aid in digestion and help maintain bowel health.
Fill in the blank: The __________ is the final section of the digestive tract.
anus
True or False: The digestive system is only responsible for the breakdown of food.
False
What role does the gallbladder play in fat digestion?
It stores and concentrates bile, releasing it into the small intestine to aid in fat digestion.