I'm not sure of your question, but I think you're looking for <span>esophageal sphincter. </span>
The biggest is the belly and the waist
Answer: Exotic disease
Explanation: Exotic disease is a term used to describe infectious disease which are currently absent in a particular country but present in some other countries in the world. An exotic disease could result either due to the fact that such disease has never surfaced in the country or it has been completely eradicated through through quarantine or any other eradication scheme.
For Instance, pseudorabies is an exotic disease in Denmark because it has been eradicated in the country, while it isn't in Ireland.
<em>Answer: Dopamine is known as the “feel-good” hormone. It gives you a sense of pleasure. It also gives you the motivation to do something when you're feeling pleasure.</em>
Hope this helps!!