What is the relationship between the circulatory system and the immune system?
Tareq asked:
1) Cells of the immune system use the circulatory system as a medium to patrol the body.
2) Cells of the immune system use the circulatory system to mature.
3) Cells of the immune system use the circulatory system for B-cell activation.
4) Cells of the immune system use the circulatory system for replication.
The answer should be 1 or 4
Nanotech Medicines
1) Cells of the immune system use the circulatory system as a medium to patrol the body.
2) Cells of the immune system use the circulatory system to mature.
3) Cells of the immune system use the circulatory system for B-cell activation.
4) Cells of the immune system use the circulatory system for replication.
The answer should be 1 or 4
Nanotech Medicines
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circulatory system
1) The cells related to Immunology A. GRANULOCYTES and B. AGRANULOCYTES move in circulatory media, blood and lymph:
a. Neutrophils.
As these cells are highly phagocytic and devour foreign particles they are also called scavenger cells. The absolute number of neutrophil is 3000-6000 per cu.mm.
b. Eosinophils
These are about 1-4% of the total leucocyte count. The cytoplasm contains coarse granules which stain with acid dyes like eosin. The nucleus is two or three lobed. The absolute number of eosinophils is 150-400 per cu.mm. They increase during allergic conditions. The eosinophils are amoeboid but not phagocytic. The important functions of eosinophils are to bring about destruction and detoxification of toxins of protein origin.
c. Basophils
They are about 0-4% of the total leucocyte count. The nucleus is lobed and the cytoplasm contains granules of various sizes which take deep basic stains. The absolute number of basophil is 0-100 per cu.mm. Basophil has some possible role in local anticoagulation and formation of ground substance.
n Agranulocytes. They are produced in the lymph- nodes and spleen and are of two types: lymphocytes and monocytes.
a. Lymphocytes
These are about 25-30% of the total leucocyte count and their absolute number is 1500 to 2700 per cu.mm. They have a large nucleus compared to the size of cytoplasm. They are of two kinds, B lymphocytes and T lymphocytes.
b. Monocytes
They are large leucocytes forming about 5-10 % of the total leucocyte count. Their absolute number is 350-800 per cu. mm. The nuclei are horse-shoe shaped. They are motile and have the power of engulfing bacteria.
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1) Cells of the immune system use the circulatory system as a medium to patrol the body.