The immune system is made up of various specialized cells that work together to protect the body from infections and diseases. White blood cells, or leukocytes, are key players. They include lymphocytes (B cells, T cells, and natural killer cells), which identify and destroy harmful invaders like bacteria and viruses.
Also See: Inflammation Pathology PPT
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B cells produce antibodies to target specific pathogens, while T cells attack infected cells directly. Phagocytes, such as macrophages and neutrophils, engulf and digest foreign particles. Dendritic cells act as messengers, alerting the immune system to threats. Together, these immune cells coordinate to defend the body and maintain health.
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Table of Content for Cells Of Immune System PPT
- Introduction
- Cells of the Immune System
- White blood cells
- Basophils and eosinophils
- Mast cells
- Dendritic cells
- Natural killer (NK) cells
- T cells
- Monocytes
- Main job of the immune system
- Conclusion
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