It releases acid and mixes food. It aids in absorption of nutrients from food. It carries food from the mouth to the stomach. It carries food from the stomach to the intestines.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which best describes the role of the esophagus in digestion?
Possibilities:
- It releases acid and mixes food.
- It aids in absorption of nutrients from food.
- It carries food from the mouth to the stomach.
- It carries food from the stomach to the intestines.

It carries food from the mouth to the stomach.