This 17-page Unit Overview and Key Words product serves as a student handout that introduces an upper middle school or high school unit on the cardiovascular or circulatory system. It includes enduring understandings, essential questions, guiding questions, student outcomes, relevant unit sections, and key vocabulary terms all in one condensed document (2 pages). Finally, this document features 8 pages of key vocabulary terms alongside their definitions, in alphabetical order.How I Use This Pr