| A | B |
|---|
| villi | Small finger like projections of the lining of the small intestine |
| platelet | A smallround or oval blood cell fragment that triggers the blood-clotting process |
| hemoglobin | a red iron containing respiratory pigment that increases the oxygen carrying capacity of the blood |
| phagocyte | the process in which large particles or small organism are ingested into a cell |
| lymphocytes | White blood cells that produce substances called anitbodies which fight foreighn proteins |
| Antigens | Any substance that can cause a response of the immune system |
| Lymph | Fluid inside the lymph vessels |
| Immunology | The study of immunity - what enables individuals to resist a specific disease |
| Serum | The clear yellowish fluid obtained upon separating whole |
| Vaccine | Weakened or dead microbes causing the body to produce antibodies to a disease |
