WorksheetsThe Human Digestive System Quiz
Total questions: 15
Worksheet time: 8mins
What is the process of breaking down food into smaller parts that the body can use?
Respiration
Digestion process
The nervous system
Heart function
In which organ is food mixed with stomach acid and digestive juices?
Mouth
Esophagus
Stomach
Small intestine
Where does the digestion process begin and end?
It begins in the throat and ends in the stomach.
It begins in the mouth and ends at the anus.
It begins in the stomach and ends in the large intestine.
It begins in the small intestine and ends at the anus.
What is the scientific term for the long, winding tube that absorbs nutrients?
Esophagus
Stomach
Small intestine
Large intestine
Why does the small intestine have very small blood vessels in its walls?
To help absorb water.
To transport food to the stomach.
To absorb nutrients and transport them to the body.
To help with mechanical digestion.
What happens if undigested food cannot move to the large intestine?
Nutrients will be absorbed better.
The solid materials will remain in the body and will not exit.
Digestion will stop in the stomach.
Digestion will begin in the large intestine.
What is the main function of the large intestine?
Breaking down food into smaller parts.
Absorbing nutrients.
Absorbing water from undigested materials.
Producing digestive juices.
Why are the organs of the digestive system considered a structural adaptation?
Because they help with survival.
Because they are behaviors performed by animals.
Because they are a group of organs with different structures.
Because they help break down food.
What is the scientific term for the tube that transports food from the throat to the stomach?
Small intestine
Esophagus
Pharynx
Large intestine
What happens if the stomach does not secrete stomach acid?
Digestion will stop in the small intestine.
Food will not be partially digested in the stomach.
The large intestine will absorb nutrients.
The digestion process will begin in the esophagus.
What is the function of saliva in the mouth?
Crushing food.
Absorbing nutrients.
Moistening food and beginning to break it down.
Pushing food to the throat.
Digestive juices from the liver and pancreas are secreted into the small intestine to...?
Help break down food.
Absorb water.
Produce energy.
Store food.
What is the scientific term for materials that the body does not benefit from and flow to the large intestine?
Nutrients
Undigested materials
Digestive juices
Enzymes
What is the function of teeth in the digestion process?
Absorbing nutrients.
Crushing food.
Mixing food with saliva.
Pushing food to the throat.
The large intestine makes solid waste when it absorbs (.....) from undigested materials?
Fats
Water
Proteins
Vitamins
