Science
Heart and Circulation: Follow the Blood and Do the Math
Students trace the path of blood through the heart and body with a word bank, calculate heart rates and cardiac output from provided data, and answer questions about vessels.
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Science
Human Body Systems: How the Team Works Together
Students match organs to body systems, trace the path of oxygen through the body and explain how several systems cooperate during exercise.
Science
Two Pathways: Following Food and Air Through the Body
Students read about the digestive and respiratory pathways, match digestive organs to jobs, put the path of air in order and explain how digestion and circulation cooperate.