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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
The diagram below shows part of the capillary bed in an organ of the human body. Some of the blood arriving at the capillaries at points labeled A, moves out into the spaces between the tissue cells. Study the diagram and answer the questions that follow:
State two important functions performed in our body by the fluid present in vessel X.
Describe the role of lymph
Lymph is present in the
For which of the following reason it is much easier for a small animal to run uphill than for a large animal?
Select the INCORRECT statement.
The cells contained in the lymph are mostly ______.
Match the terms given under Column ‘A’ with their functions given under Column ‘B’ and select the answer from the options given below:
| Column I | Column II |
| A. Lymphatic System | i. Carries oxygenated blood |
| B. Pulmonary vein | ii. Immune Response |
| C. Thrombocytes | iii. To drain back the tissue fluid to the circulatory system |
| D. Lymphocytes | iv. Coagulation of blood |
Give reason:
Lymphatic vessels are milky in appearance.
Choose the odd one out from the following terms and name the category to which the others belong:
Name the following:
A special lymphatic node on the sides of the neck.
