Examlex
The membrane that lines passageways that open to the exterior environment is called __________.
Political Science
The study of politics, political systems, public policy, and the political behavior of individuals and groups.
Sex
The biological and physiological characteristics that define humans as male, female, or intersex, based on reproductive anatomy and functions.
Politics
The study of governance, public policies, and the activities associated with the governance of a country or area.
Categories
Distinctive groups or classes into which items or concepts are divided based on shared characteristics or properties.