The digestive system works a little like an assembly line in reverse. Instead of building something, this system breaks down the food we eat into small parts that our bodies use for energy. Every part of this system must work together in order for us to remain healthy.
How well do you remember the names of the organs of the digestive system? Drag the label on the left to the correct number of the diagram shown on the right.
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Stomach
Gallbladder
Esophagus
Colon
Pancreas
Liver
Small intestine
Tongue |
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Great job. You got them all!
The ones with Xs are incorrect. Try again.
In addition to organs, there are other special structures and substances that serve a particular purpose in digestion. Look at each item in the first column, and jot down its role in digestion. Then click the item in the first column to check your answer against the description in the second column.
| Term | Function |
| Amylase | An enzyme that breaks down large carbohydrates like starches into smaller parts like sugars |
| Pepsin | An enzyme that breaks down proteins into smaller parts |
| Villi | Fingerlike projections that absorb food from the small intestine into the bloodstream |
| Bile | A substance from the liver that breaks down large fat drops into smaller fat droplets |
| Saliva | A liquid from the salivary glands in the mouth that moistens food so the food can be swallowed |