Across
- 3. our bodies gain in two ways
- 5. introduce microbes that are already killed or modified
- 8. the immune system helps to protect us against
- 9. trigger an immune response in the body
Down
- 1. immunity immunity when our bodies develop immunity over time through the immune system
- 2. these proteins are called
- 4. are also called lymphocytes these cells produce ant
- 6. immunity something that is passed down by the mom at birth
- 7. cell remember antigens that have already attacked the body
- 10. system is made up of specialized organs,cell,and tissues