- Artery: The large vessel carrying blood away from the heart (top left, leading to capillaries).
- Vein: The large vessel returning blood to the heart (bottom right, after capillaries).
- Heart: The central organ pumping blood (left side of diagram).
- Blood capillary: The dense network of tiny vessels in tissues where exchange occurs (center-right, branching network).
- Lymphatic capillary: The blind-ended, thin-walled vessels originating in tissues (right side, near tissue fluid).
- Tissue fluid: The fluid surrounding cells in the tissues, entering lymphatic capillaries (indicated by arrows into lymphatic capillaries).
- Lymph node: The bean-shaped structure filtering lymph (below the lymphatic capillaries).
- Lymphatic vessel: The vessels transporting lymph from capillaries toward the duct (from lymph node to duct).
- Lymphatic duct: The large vessel returning lymph to the venous system (connecting lymphatic vessels to the vein near the heart).
- Cardiovascular
Parent Tip: Review the logic above to help your child master the concept of lymphatic system worksheet.
