Digestion
Starch is digested into _________.
Glucose
What substance starts the digestion of complex carbohydrates in the mouth?
amylase
Do chemical reactions occur in the mouth?
Yes
Mechanical and chemical digestion occur here.
Mouth
What does the indicator test reveal about food molecules?
If food molecules are present.
Protein is digested into _____________.
Amino acids
What is the process by which small food molecules move through a membrane and into other parts of the body?
absorption
Do chemical reactions occur in the small intestine?
Yes
A long tube that connects your mouth to your stomach.
In the mouth, complex carbohydrates ________, while glucose ________. Indicating a ________________.
decrease; increase; chemical change
Fat is digested into ____________.
Amino acids
What is the process by which large food molecules break down into small food molecules so that the body can use them?
digestion
List the correct order of the digestive system organs.
mouth, esophagus, stomach, small intestine, large intestine
Chemical digestion of protein and fat begins here.
Stomach
In the esophagus, the amount of food molecules ____________. Indicating ________________.
do not change; no chemical reaction
What is the special substance that helps digest large food molecules?
enzyme
What is the process by which living organisms eliminate or expel waste?
excretion
How does the structure of the small intestine aid in nutrient absorption?
Small food molecules are absorbed here.
In the stomach, the amount of starch, protein, and fats _________, while their small food molecules _____________.
decrease; increase
How are enzymes important in the digestive process?
Enzymes break large food molecules into small food molecules.
Mechanical digestion is a ________ change. Chemical digestion is a ___________ change.
physical; chemical
What was Ms. T's major in college?
Environmental science
Water is absorbed, and waste is compacted here.
In the small intestine, large food molecules _______, small food molecules ____, except glucose which ________. This indicates ___________ of glucose.
decrease; increase; decreases; absorption