character: Dr. Sarah Johnson
topic: Regulation of Internal Environment in Cells
grade: 11
subject: Biology
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character: Professor Alex Thompson
topic: Homeostasis and Cell Regulation
grade: 11
subject: Biology
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character: Dr. Emily Chen
topic: Cell Membrane and Transport Mechanisms
grade: 11
subject: Biology
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character: Dr. Mark Rodriguez
topic: Tissue and Organ Regulation in Humans
grade: 11
subject: Biology
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