This worksheet contains basic conceptual questions about the Human Circulatory System. This engaging worksheet is great for science class practice, a quick assessment tool, a quiz, a science station, a homework assignment, morning work, early finishers, bell ringers, or lesson plan supplements. This resource is aligned with the following standard:▶︎ Science, 7.13.A. The student is expected to identify and model the main functions of the system of the human organism, including the circulatory,