Digestion Flashcards
What is the main function of the digestive system?
To break down food into smaller molecules that can be absorbed into the bloodstream.
What enzyme is responsible for breaking down carbohydrates in the mouth?
Amylase.
Where does protein digestion primarily occur?
In the stomach.
What is the role of bile in digestion?
To emulsify fats, breaking them down into smaller droplets.
What is the function of the small intestine in digestion?
To absorb nutrients from the digested food.
What is the name of the finger-like projections in the small intestine that increase surface area for absorption?
Villi.
True or False: The large intestine is primarily responsible for nutrient absorption.
False.
What is the main function of the pancreas in digestion?
To produce digestive enzymes and bicarbonate.
What enzyme is responsible for breaking down fats in the small intestine?
Lipase.
What is the name of the process by which nutrients are absorbed into the bloodstream from the small intestine?
Absorption.
What is the role of hydrochloric acid in the stomach?
To create an acidic environment that activates pepsinogen into pepsin for protein digestion.
What is the name of the muscular contractions that move food through the digestive system?
Peristalsis.
What are the three main types of nutrients that are absorbed during digestion?
Carbohydrates, proteins, and fats.
Where does the majority of water absorption occur in the digestive system?
In the large intestine.
What is the function of mucus in the digestive system?
To protect the lining of the digestive tract from stomach acid and enzymes.
