Digestive Flashcards
What is the primary function of the digestive system?
To break down food into nutrients for the body.
True or False: The mouth is the starting point of the digestive system.
True
Fill in the blank: The enzyme __________ in saliva begins the digestion of carbohydrates.
amylase
What is the role of the esophagus in the digestive system?
To transport food from the mouth to the stomach.
Which organ is responsible for the majority of nutrient absorption?
Small intestine
Multiple Choice: Which part of the digestive system is primarily responsible for water absorption?
C) Large intestine
What is gastric juice and what is its primary component?
Gastric juice is a digestive fluid produced in the stomach, primarily composed of hydrochloric acid.
True or False: The liver produces bile.
True
What is the function of bile in digestion?
To emulsify fats, aiding in their digestion and absorption.
Fill in the blank: The __________ is a small, finger-like projection of tissue that extends from the cecum.
appendix
What are villi and where are they located?
Villi are tiny, finger-like projections located in the small intestine that increase surface area for absorption.
Multiple Choice: Which of the following is NOT a function of the digestive system?
D) Regulation of body temperature
True or False: The pancreas produces enzymes that aid in digestion.
True
What is the role of the rectum in the digestive system?
To store waste until it is excreted.
Fill in the blank: The __________ is the longest part of the digestive tract.
small intestine
What is peristalsis?
The wave-like muscle contractions that move food through the digestive tract.
Multiple Choice: Which vitamin is produced by bacteria in the large intestine?
B) Vitamin K
What is the main function of the stomach?
To mechanically and chemically break down food.
True or False: Digestion begins in the stomach.
False
Fill in the blank: The __________ connects the throat to the stomach.
esophagus
What is the pH level of gastric acid?
Around 1.5 to 3.5
Multiple Choice: Which digestive organ produces insulin?
A) Pancreas
What are the two types of digestion?
Mechanical digestion and chemical digestion.
True or False: The small intestine is shorter than the large intestine.
False
Fill in the blank: The __________ is the final section of the large intestine.
rectum
What role does the gallbladder play in digestion?
It stores and concentrates bile.
What is the primary function of the large intestine?
To absorb water and electrolytes from indigestible food matter.