1. Lymphatic System

2. Main Parts
Lymph: fluid that circulates in lymphatic vessels to evacuate cell waste
Antibodies: substance secreted by WBC to neutralize invaders

3. These vessels are intertwined with the circulatory vessels
Lymphatic Vessels
These vessels are intertwined with the circulatory vessels

4. Roles Circulation of WBC and antibodies outside the blood vessels
Defends and protects

5. Lymph Organs
Bone Marrow
Spleen
Tonsils
Thymus

6. Area in which substances are filtered out of lymph
Lymph Organs and nodes
Area in which substances are filtered out of lymph

7. White Blood Cells Eliminate antigens by PHAGOCYTOSIS
Producing antibodies

8. White blood cells undergoing diapedesis