Memory Circulatory Story VocabularyVersión en línea In this game, you will have to match the word to its definition. These word are from the our story, The Circulatory Story. por Whitney Gurrola Circulatory Pericardium Component Hemoglobin Cell A part of a larger object or system The liquid part of blood; 90% of plasma is water. Plasma A protective sac that encloses the heart. A protein found in red blood cells that transport, or carries oxygen. To carry something one place to another. Transport The smallest, functioning unit of a living organism. Related to the circulation of blood.