What role does the esophagus play in the human body and what is its importance in the human body

the esophagus is a highway for food and drink to travel along to make it to the stomach.

Explanation:

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added