Immune System
Across
- 3. white blood cells that have access to all parts of the body except brain and spinal cord
- 4. engulf unwanted pathogens and can kill up to 100
- 5. organisms that cause diseases
- 7. provokes immune response against antigen
- 8. produced when encounter an antigen
- 11. chemicals released that makes body respond to it.
- 13. develops antibodies to respond against an antigen
- 14. non specific immunity that is body's first natural defense
- 15. cells that contact with the outside environment
Down
- 1. immunity with presence of B lymphocytes and T lymphocytes
- 2. keep record of antigen for future reference
- 6. patrol the body and after killing infectious cells, they die
- 9. response that targets and kills cells inside our body that are infected
- 10. invaders of the body, molecules found on pathogens
- 12. chemicals that fit on antigens of pathogens