Question

one marks questions how do cytokine barriers provide innate immunity in human

Answer 1

Innate immune mechanisms also clear host cell and microbial debris from the body. ... Innate immune mechanisms include anatomical and physiologicalbarriers, inflammation, complement activation, cytokinesecretion, target cell lysis, phagocytosis and autophagy.

Answer 2

Cytokines form an innate immune system by protecting the human body against parasites, bacteria, virus and foreign particles at the initial stage of infection.  

Cytokines are known as a large group of protein or peptides that secreted by certain cells of immune system. Cytokines are known as the initial barrier against the invading foreign particles to the body.

Monocytes and macrophages are the main source of cytokines. Cytokines are also secreted by lymphocytes and fibroblasts.