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Unit: Immune

Aligned to Science TEKS with clear Learning Outcomes, this unit covers instructional content including Function of Immune System, Types of Pathogens, Nonspecific Defense, Specific Defense, and Types of Immunity.


  • 10A  Describe the interactions that occur among systems that perform the functions of regulation, nutrient absorption, reproduction, and defense from injury or illness in animals
  • 10C  Analyze the levels of organization in biological systems and relate the levels to each other and to the whole system
  • 11A  Describe the role of internal feedback mechanisms in the maintenance of homeostasis
  • 11B  Investigate and analyze how organisms, populations, and communities respond to external factors
  • 11C  Summarize the role of microorganisms in both maintaining and disrupting the health of both organisms and ecosystems