Body Systems Flashcards
What is digestion?
The process of breaking down large, insoluble molecules of food into smaller water-soluble molecules for absorption.
What are the two main functions of the mouth?
- Eating
- Speaking
What is the role of the salivary glands in the mouth?
To produce saliva, which moistens food for easier movement through the esophagus.
What is the primary function of the pharynx in the digestive system?
To deliver food and liquid to the esophagus and prevent particles from entering the trachea.
What is the stomach’s function in digestion?
To mix and break down food, holding it and mixing it with acid and enzymes.
What does the liver do with blood leaving the stomach?
Processes the blood, balances nutrients, metabolizes drugs, and purifies it.
What is the function of the gall bladder?
To store bile and release it into the small intestine to aid in fat digestion.
What enzymes does the pancreas produce?
Pancreatic juices that break down sugars, fats, starches, and proteins.
What are the primary functions of the small intestine?
- Break down food
- Absorb nutrients
- Excrete unnecessary components
What are the main functions of the large intestine?
- Absorbing water and electrolytes
- Absorbing vitamins
- Forming and propelling feces
What is the role of the rectum in the digestive system?
To receive waste from the colon and store it until elimination through the anus.
Fill in the blank: The _______ is the first part of the digestive tract.
[mouth]
True or False: The small intestine also plays a role in immune functions.
True
What does bile do?
Helps digest fat.
What is the primary function of the pancreas during digestion?
To produce enzymes and hormones that aid in digestion.
