Yea absolutely you already know
Answer: Because social characteristics such as class, gender, and ethnicity influence life chances, they are allocated unequally among individuals and groups. People in higher social classes have a better likelihood of getting adequate healthcare and decent housing than those in lower social classes.
Explanation:
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
