Lymph fluid (was once blood that loses fluid into capillaries and tissues) and WBC’s which patrol tissues move to the nearest lymph node--> returned to heart--> join blood again.
: Nodes (armpit, neck, groin), spleen, tonsils, salivary glands, etc.
- 3. Lymph role in infection: APC’s/macrophages after phagocytosis move to nearest lymph node where and naïve lymphocytes specific for the antigen meet them…
- - “swollen glands”: sign body is seriously fighting an infection