Digestive Systems Flashcards
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 first part of the digestive system.
True
Fill in the blank: The ________ connects the throat to the stomach.
esophagus
What organ is responsible for nutrient absorption?
Small intestine
Multiple choice: Which of the following is NOT part of the digestive system? A) Stomach B) Liver C) Heart D) Pancreas
C) Heart
What is the role of the stomach in digestion?
To store food and break it down with acid and enzymes.
True or False: The large intestine is longer than the small intestine.
False
Fill in the blank: The ________ produces bile, which helps digest fats.
liver
What is peristalsis?
The wave-like muscle contractions that move food through the digestive tract.
Multiple choice: Which enzyme breaks down carbohydrates? A) Lipase B) Amylase C) Pepsin D) Trypsin
B) Amylase
What is the function of the pancreas in digestion?
To produce digestive enzymes and bicarbonate to neutralize stomach acid.
True or False: The gallbladder stores bile.
True
Fill in the blank: The ________ absorbs water and electrolytes from indigestible food.
large intestine
What is chyme?
The semi-liquid mixture of food and digestive juices in the stomach.
Multiple choice: Which part of the digestive system is primarily responsible for water absorption? A) Stomach B) Small intestine C) Large intestine D) Esophagus
C) Large intestine
What is the role of saliva in digestion?
To begin the breakdown of carbohydrates and lubricate food for swallowing.
True or False: Fiber is digested and absorbed in the small intestine.
False
Fill in the blank: The ________ is a muscular tube that connects the mouth to the stomach.
esophagus
What are villi?
Tiny finger-like projections in the small intestine that increase surface area for absorption.
What is the function of the rectum in the digestive system?
To store feces before they are expelled from the body.
True or False: Digestion begins in the stomach.
False
Fill in the blank: The ________ secretes digestive enzymes and hormones into the small intestine.
pancreas
What is the primary role of the small intestine?
To digest food and absorb nutrients into the bloodstream.
Multiple choice: Which substance helps emulsify fats? A) Bile B) Saliva C) Gastric juice D) Mucus
A) Bile
What is the function of digestive enzymes?
To speed up the breakdown of food into smaller molecules.
True or False: The appendix has no known function in the digestive system.
True
