Extra 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 first organ involved in digestion.
True
Fill in the blank: The enzyme ___ in saliva begins the breakdown of carbohydrates.
amylase
What is the role of the stomach in digestion?
To further break down food using acid and enzymes.
Which organ is responsible for nutrient absorption?
Small intestine
What is the function of bile in digestion?
To emulsify fats.
True or False: The pancreas produces insulin only.
False
What are the three main parts of the small intestine?
Duodenum, jejunum, ileum
Multiple Choice: Which of the following is NOT a part of the digestive system? A) Esophagus B) Liver C) Kidney D) Stomach
C) Kidney
What is peristalsis?
The wave-like muscle contractions that move food through the digestive tract.
Fill in the blank: The ___ is responsible for producing digestive enzymes and bicarbonate.
pancreas
True or False: The large intestine is mainly involved in nutrient absorption.
False
What is the main purpose of the large intestine?
To absorb water and form feces.
What type of digestion occurs in the mouth?
Mechanical and chemical digestion.
Fill in the blank: The ___ is a muscular tube that connects the throat to the stomach.
esophagus
Which part of the digestive system is responsible for detoxifying chemicals?
Liver
True or False: The stomach has a pH level that is neutral.
False
What is the role of gastric acid?
To break down food and kill bacteria.
What are villi?
Small, finger-like projections that increase surface area for absorption in the small intestine.
Multiple Choice: Which enzyme breaks down proteins in the stomach? A) Amylase B) Pepsin C) Lactase D) Sucrase
B) Pepsin
Fill in the blank: The ___ stores bile until it is needed for digestion.
gallbladder
What is the function of the rectum?
To store feces before elimination.
True or False: Digestion begins in the stomach.
False
What is the primary function of the salivary glands?
To produce saliva, which contains enzymes for digestion.