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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.
Explain the Gonadotropic Hormones (GTH): There are two gonadotropic hormones which regulate gonadal functions. They are follicle stimulating hormone (FSH) and luteinizing hormo
Pieces classification by order
To show how water rises by capillarity Colour some water in a shallow dish with ink and touch a blotter to the water surface. Observe how the water increases in the blotter.
Studying the main parts of a flower Examine specimens of large simple flowers such as "tulips or lilies". Count the stamens & observe how they well arranged about the central p
Iron Age: We briefly surveyed the ideas and techniques of the early human beings, and traced the roots of science in the primitive culture. You also read about the emergence
Look up the medications in your drug text, your nursing drug book and on the Internet. At times you may need to contact a pharmacy to get answers to your questions. You need to
Maximum in 50 words for 2marks
What is the Iimportant consequence of soil aeration Another important consequence of soil aeration is oxidation-reduction reactions that take place in soil and this may decide
what is thermal velocity ofa material
Explain the Complement System To remove a microorganism by phagocytosis requires phagocytes at the right place in the right time. The organism should adhere to the phagocyte. M
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