Advertisements
Advertisements
प्रश्न
How does saliva act in body defence?
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.
APPEARS IN
संबंधित प्रश्न
Which is not a macrophage?
In agglutination and precipitation reactions, the antigen is a ____________ and ____________ respectively.
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.
Allergy involves
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.
Explain the structure of immunoglobulin with a suitable diagram.
What are the cells involved innate immune system?
