Across
- 1. system that removes excess fluid & waste products from the body
- 5. cancer of the immune system
- 7. type of blood cells that fight infection
Down
- 2. type of immunity acquired through the transfer of antibodies produced by one human to another
- 3. condition that damages the immune system
- 4. system that protects the body from disease
- 6. type of immunity that is acquired by having the disease or receiving a vaccination