Word Count : 407

---

The immune system is composed of diverse cells that arise primarily from hematopoietic stem cells in the bone marrow and function together to defend the body against pathogens while maintaining self-tolerance. These cells are broadly classified into innate and adaptive immune cells based on their mechanisms of recognition and response. Cells of the innate immune system provide immediate, non-specific defense. Neutrophils are the most abundant circulating leukocytes and act as first responders by phagocytosing microbes and releasing antimicrobial enzymes and reactive oxygen species. Eosinophils participate mainly in defense against parasitic infections and contribute to allergic reactions through the release of cytotoxic _______ _____ __________ ________ _______ _____ _______ ________ ______ ___ ______.
_____ _______ _____ ____ _____ _______ ______.
________ ______ ________ ______ __________ _____ ______ _______ _____ _________.
____ _____ ____ ________ ______ ________ _____ ______ ________ ______ ___.
______ ____ ________ _____ _________ __________ ________ __________ ________ __________ ___ ____.
______ ______ ____ _________ _______ ______.
__________ __________ ____ _____ ________ ___ ________ ___ __________ _______ _____.
_________ __________ ______ _________ ______ ________.
__________ _____ _________ ________ ____ _________ ______ _____ __________ ______.
_______ _____ _________ _______ _______ _______ _____ _____ ____ ____ ________ _____.
_______ ______ ___ _________ ___ ___ _______ _____ _______ _____.
_____ _______ ___ ________ ___ ____ ____ __________ ____ ________ _____ ___.
___ _________ ___ ____ ___ ______ _________ __________ ________ ___.
______ ______ ________ _______ ______ ______ ________ _______ ____.
___ ______ _____ _____ __________ ______ ________ __________.
____ ________ _________ _____ ______ ________ ___ _________ _________ _____.
__________ ____ ________ _____ _______ _______ ___ __________ ____ _______ __________ _____.
______ _________ __________ ________ _______ _______ ______ _____ _________ __________ ______.
___ _________ ______ ___ ______ _________ __________ ____ ____ ________.
_________ _____ ____ _____ _______ _____.
_________ __________ ____ ____ ______ __________ ___ _____.
___ ___ __________ ________ ________ ___ ____ __________ ________ _________ ___.
___ ______ ____ ____ ______ ____ ____ _______ _______.
_______ ______ ______ ________ ____ __________ ______ _____ ______ ___ _____.
______ ________ ___ __________ _________ _________ ____ __________ __________ ________ ___.
_________ ______ _______ _________ ________ ________ _____ ________ ____.
___ _____ _______ ___ _____ _______ _________ ________ __________ _______ ______.
______ ________ ____ _________ ___ ______.
____ ____ _______ _____ ______ __________ _________ ________ __________ ________.
_________ _______ __________ ____ ____ ______ ___ ____ _________.
______ _________ _______ __________ ___ ___ __________ ____.
_________ _____ ____ ________ _______ _________ ____.
__________ ________.
Get Full Answer on WhatsApp