Immunology 💯 Best

: Retaining information from previous infections to prevent future illness.

: Where the system mistakenly attacks "self" tissues. Immunology

: Distinguishing the host's own cells ("self") from foreign elements ("non-self"). : Retaining information from previous infections to prevent

Immunology is the branch of biomedical science that explores the complex network of cells, tissues, and organs that constitute the immune system. Its primary function is to protect the host from pathogens such as bacteria, viruses, and parasites while maintaining a delicate balance of "self-recognition" to avoid attacking the body's own tissues. This essay explores the fundamental principles of immunity, the distinction between its two primary arms, and the importance of this field in modern medicine. 1. The Two Arms of the Immune System Immunology is the branch of biomedical science that

: The ability to identify and fight off foreign infections.

To function correctly, a healthy immune system must adhere to four essential principles: