Lymphatic System

Lymphatic System

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. It is called an immune response, and is a specific type of response. The immune system has a special response for each type of pathogen.

CK-12 (Middle School)

Essential Question

Common Core Standards

RST.2 - Main Ideas, RST.4 - Key Terms

Depth of Knowledge (DOK) Levels

2,1

Assignment

3
questions
notes
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