Connects the throat (pharynx) to the stomach.
Acts as a food pipe for transporting swallowed food.
Moves food using peristalsis (muscle contractions).
About 25 cm long in adults.
Lined with mucus to help food slide down smoothly.
Has circular and longitudinal muscles to squeeze food down.
Starts working as soon as you swallow.
The epiglottis closes the windpipe so food goes the right way.
The upper esophageal sphincter opens to let food in.
The lower esophageal sphincter (LES) stops stomach acid from going back up.
If LES fails, it can cause acid reflux or heartburn.
Doesn’t digest food, only moves it.
Can carry liquids, solids, and saliva.
Works automatically, without needing you to think about it.
Important part of the digestive system’s transport pathway.
My Note
i learned that esophagus is the organ that help us transport our food to the stomach
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What might happen if the esophagus did not have mucus lining?
How could acid reflux affect daily life if left untreated?
Why do you think the esophagus doesn’t digest food but only transports it?
How might a very long esophagus (longer than normal) affect eating?
Why is it important that the process of moving food is automatic?
What could happen if the epiglottis failed to close properly?