Unit Plan

Ck 12: Life Science: Lymphatic System

Curated by ACT

[Free Registration/Login may be required to access all resource tools.] If pathogens get through the body's first two lines of defense, a third line of defense takes over. This third line of defense involves the immune system. The immune system has a special response for each type of pathogen. It is part of the lymphatic system. Learn more about the lymphatic system in this learning module produced by CK-12.

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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
NGSS