Your neck
Achalasia is a disorder of the esophagus.
Esophageal means pertaining to the esophagus.
Esophagus(US) or Oesophagus (Older UK) Definition: The passage between the pharynx and the stomach. http://en.wiktionary.org/wiki/esophagus
A kid friendly definition of the word energy is, the ability to do work.
Yes it can, when there is a narrowing of the esophagus, If the doctor suspect a narrowing of the esophagus, it would be good to get an endoscopy and have the esophagus dilated by the doctor during the endoscopy. Acid re-flux also can affect breathing when it back up into the lungs causing to aspirate.
a kid friendly definition would be two or more people that disagree on something and are not getting along.
changing
competition
A kid friendly definition would be - The head of the Catholic Church.
A kid friendly definition of disease would be "a very serious sickness a person/people could catch or already have from their parents.
The esophagus is an organ in vertebrates which consists of a muscular tube through which food passes from the pharynx to the stomach.
He was a really kewl kid.