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 A protein found in red blood cells that transport, or carries oxygen. Cell Hemoglobin A part of a larger object or system A protective sac that encloses the heart. Pericardium The liquid part of blood; 90% of plasma is water. The smallest, functioning unit of a living organism. Transport Related to the circulation of blood. Plasma To carry something one place to another. Component