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I can explain the key structures involved with the circulatory system.
I can explain the key functions completed by the circulatory system.
Re-Engineering the Circulatory System
Extra Practice - Interactive Sites for Circulatory
Extra Practice - National Geographic Lungs
PBS Media Leaning Video - From the Heart
How Does the Heart Pump Blood-Optional Viewing
Oxygen's Surprisingly Complex Journey Through Your Body-Enda Butler-Optional Viewing