The Science of Respiration and Blood Circulation
Fifth graders study how respiration and circulation are connected. For this respiratory lesson students complete several activities to better understand heart rate and carbon dioxide in the body.
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Heart and Circulation: Pre- and Post-Assessments
Middle schoolers demonstrate what they know about the structure and function of the heart and blood vessels. A set of 15 multiple-choice questions also addresses how the heart handles microgravity and how animals without circulatory...
5th - 8th Science