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प्रश्न
How does saliva act in body defence?
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उत्तर
Saliva acts as a self defence by preventing the entry of bacteria and fungi in mouth. Also saliva cuts as a barrier against irritants, toxins etc. Saliva also acts as a healing agent for cut and wounds.
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संबंधित प्रश्न
Colostrum provides ____________.
Cell mediated immunity is carried out by ____________ while humoral immunity is mainly carried out by ____________.
B cells that produce and release large amounts of antibody are called ____________.
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How does immune system work?
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Name and explain the type of barriers which involve macrophages.
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What is the vaccine? What are its types?
