Lymphatic system
Across
- 4. Not able to get something
- 6. blood protein produced in response to and counteracting a specific antigen.
- 8. your body's vital defense mechanism, a natural immune response to injury, infection, or irritants
- 10. a fist-sized organ in your upper left abdomen
Down
- 1. Produces lymphocytes
- 2. the fundamental building blocks of all living things
- 3. Foreign substance that triggers an immune response
- 5. traps the germs that enter your mouth
- 7. a specialized organ in the chest, behind the breastbone
- 9. Clear fluid carrying white blood cells