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B cell activation pathway showing naive B cell, helper T cell, and antibodies, antigen signals drive clonal expansion to memory and plasma cells. Outline diagram
Health effects of PFAS include liver damage, thyroid disease, and cancer risks. Outline diagram
Thymus gland diagram showing location and structure, highlights lobes, T-cells, and cross-section within chest, linking immune maturation and anatomy. Outline diagram
Antibody explained, Y-shaped protein binds antigen to neutralize a virus, showing structure and binding sites. Key objects, antibody, antigen, pathogen. Outline diagram