2. Antigen
Toxins
3. Some bacterial infections
Viral
4. Innate immune system
5. Adaptive
6. Leukocytes
7. Humoral response
Cell mediated response
8. B cells
T cells
9. Helper T cell
Cytotoxic T cell
10. Antibody production.
You didn’t post the chart
The correct answer among all of the given choices would be the third choice, CLOUDS.
I hope this is the answer you were looking for and that it helps!! :)
