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Define the Lymphocytes
They are agranulocytes. The nucleus occupies approximately the entire cell. They vary in size from 6- 18 mm diameter; sometimes divide in small and large lymphocytes. Lymphocytes build up 30% to 40% of all leukocytes. Lymphocytes come in two categorizes: B cells (those that mature in bone marrow) and T-cells (those that mature in the thymus). Let us get to know them. B-cells, while stimulated, mature into plasma cells.
These are the cells which generate antibodies. A specific B cell is tuned to a particular germ, and when the germ is availabe in the body, the B-cell clones itself and generates millions of antibodies designed to eliminate the germ. T-cells, on the other hand, in fact bump up against cells and kill them. T-cells termed as Killer T-cells can detect cells in our body which are harboring viruses, and when it detects such type of a cell, it kills it. Two other types of T-cells, termed as Helper and Suppressor T-cells help sensitize killer T-cells and control the immune Response.
five charactrstic of the contour lines
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Discuss about the Hydrometer Method to determine soil Bouyoucos devised a simple and rapid technique using a specially designed hydrometer to determine sand, silt and clay cont
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Making a 'gusher' with compressed air Secure a large narrow-necked bottle like as is used for soda water. Place a single-hole stopper in the bottle. By the stopper put a 10- cm
Will we ever go beyond The Milky Way to explore other galaxies?
what is the unit that heat is measured in
Water Resources: Water, as you know, is the most essential component of life. Our water resources are limited, though apparently, water is available in an abundant quantity.
What is Classic Technique of Recipient Operation ? In this method, portions of left and light atria of both recipient and donor are retained. There is more atrial tissue of rec
Explain the factors that influence Glomerular Filtration Rate These include: 1) Renal blood flow: A large proportion of blood flows into the glomerulus. The greater the rate
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