Enzymes
The enzyme that converts starch into maltose.
What is salivary amylase?
The glands that produce saliva.
What are the salivary glands?
This acid in the stomach kills bacteria and stops amylase activity.
What is hydrochloric acid?
Another name for the digestive system.
What is the alimentary canal or gastrointestinal tract?
This stomach enzyme begins the breakdown of proteins.
What is pepsin?
This nutrient begins chemical digestion in the mouth.
What are carbohydrates?
Most nutrient absorption occurs in this organ.
What is the small intestine?
What is mastication?
This enzyme continues the breakdown of carbohydrates in the small intestine.
What is amylase?
These types of food are not chemically digested in the mouth.
What are proteins and fats?
Water is absorbed mainly in this part of the digestive system.
What is the large intestine?
Peristalsis
The wave-like muscle contractions that push food along the digestive tract.
The enzyme lipase breaks fat into this in the small intestine.
What are fatty acids and glycerol?
The role of the tongue.
What is roll the food around the mouth and down the throat?
Fingerlike projections that increase absorption.
What are villi?
In the stomach, food mixed with gastric juice becomes this substance.
What is chyme?
Digestive enzymes are found in these fluids produced during digestion.
What are digestive juices?
The bolus
What is partially chewed food mixed with saliva that forms a ball-like mass.
The role of the sphincter muscle contraction.
What are the muscular movements that break down and mix food in the stomach?
Digestion
What is the physical and chemical breakdown of food for nutrient absorption?