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प्रश्न
Describe agranulocytes with the help of diagrams.
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उत्तर
Agranulocytes show absence of granules in the cytoplasm and the nucleus is not lobed. They are of two types viz.
1) Lymphocytes – They show round nucleus, constitute about 25 – 33 % of total WBC and are responsible for immune response of the body
2) Monocytes – They show large kidney-shaped nucleus, constitute about 3 – 9% of total WBC and are phagocytic in function
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संबंधित प्रश्न
What is lymphatic system? What are its function?
A liquid X of colour Y circulates in the human body only in one direction: from body tissues to the heart. Among other things, liquid X contains germs from cells and dead cells. The liquid X is cleaned of germs and dead cells by a special type of white blood cells called Z. This cleaned liquid is then put into the blood circulatory system in subclavian veins.
- What is (i) liquid X, and (ii) colour Y?
- What is Z?
- The liquid X is somewhat similar to a component of blood. Name this component.
- Why is liquid X not red?
Describe the role of lymph
Write a short note on Tissue Fluid.
Which kind of cells are found in the lymph?
For which of the following reason it is much easier for a small animal to run uphill than for a large animal?
Name a circulatory fluid in the human body other than blood.
Lymph glands or lymph nodes help to ______.
What is the other name of 'tissue fluid'? Write its two functions.
Choose the odd one out from the following terms and name the category to which the others belong:
