Examlex
Identify the order in which a drop of blood would pass from the superior vena cava to the aorta.
-Mitral valve
Rural Ones
People or communities residing in countryside areas, often characterized by a lower population density and agriculture-based economy.
Stratified Systems
Social structures that divide people into different layers or classes based on various criteria such as wealth, power, and social status.
Social Class
A division of society based on social and economic status.
Upper Class
A social group at the top of a societal hierarchy, characterized by wealth, inherited status, and power.
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