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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
Paratope is an _________.
Which is not a macrophage?
Cell mediated immunity is carried out by ____________ while humoral immunity is mainly carried out by ____________.
B Cells are activated by ____________.
B cells that produce and release large amounts of antibody are called ____________.
Raja is injured and got swelling. The swelling is due to the infection of tissue is an example of ____________.
Where are B-cells and T-cells produced in the human body? How do they differ from each other? Mention any two differences.
Choose the correct match pair.
Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role.
Liver, thymus, stomach, thyroid, tonsils
Name and explain the type of barriers which involve macrophages.
