| A | B |
|---|
| Lymph | a special fluid made up of water, nutrients, and white blood cells |
| Lymph Nodes | special locations throughout the body that filter bacteria and viruses |
| Tonsils | located in the throat; protect mouth and nose from bacteria & viruses |
| Thymus | mass of tissue behind sternum that produces white blood cells |
| Spleen | largest lyphatic organ; filters blood & breaks down red blood cells |
| White Blood Cell | a cell that fights "invaders" like bacteria & viruses |
| Red Blood Cell | a cell that delivers oxygen throughout the body |
| Organ | a structure made up of at least two different types of tissue |
