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Maintenance: OpenLearn Create will be unavailable from 8:00-11:00am on Wednesday 26 June 2024.
Immunization

Immunization

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Figure 1.1  The sites in the body (in addition to the blood) where the cells and molecules of the human immune system are concentrated. (Source: The Open University, SXR376 Preparatory Reading, Figure 1.2)

 1.1  Immunity and the immune system