Answer:
the esophageal sphincter
Explanation:
This muscle opens and lets food and liquid enter the stomach and closes to prevent the food and liquid from leaking back into the esophagus, however if it is not working properly it could open and close at the wrong times
Answer:
All?
Explanation:
In my opinion all of these can be checked to describe someone who is mentally healthy.
Hope this helps!
The name of the organizing is typus
They may become pregnant or get a Std(Sexually transmitted disease)