Blood

  LETS OBSERVE THE gunstock CELLS By Daniela Tagliasacchi and Giorgio Carboni, April 1997 Drawings of Michele Pirazzini Thanks to Pasquale Chieco for his help in making the pictures Translation revised by David W. Walker   content INTRODUCTIONTHE germ plasmTHE HEMATIC CELLSErythrocytesPlateletsLeukocytesPREPARATION OF THE BLOOD SMEARMaterialsTaking the line of workMaking the smearFixingStainingCheckingCover-slipping| OBSERVATIONErythrocytes (red cells)PlateletsLeukocytes (white cells)GranulocytesNeutrophilEosinophilBasophilLymphoid cellsLymphocytesMonocytesCONCLUSIONBIBLIOGRAPHY|   INTRODUCTION  What are blood cells? What do they look comparable? What functions do they perform? How nookie I recognize the antithetic categories? This is a short description of the blood cells and includes a unsubdivided experiment which allows you to become familiar with the cells of this peculiar liquid. The blood consists of a suspension of special cells in a liquid call ed plasma. In an adult man, the blood is about 1/12th of the consistence weight and this corresponds to 5-6 litres. Blood consists of 55 % plasma, and 45 % by cells called form elements. The blood performs a lot of grievous functions.

By meat of the hemoglobin contained in the erythrocytes, it carries oxygen to the tissues and collects the carbon dioxide (CO2). It besides conveys nourishing substances (e.g. amino acids, sugars, mineral salts) and gathers the excreted material which provide be eliminated through and through the renal filter. The blood also carries hormones, enzymes and vitamins. It performs t he defense of the organism by mean of the ph! agocitic activity of the leukocytes, the germicidal power of the serum and the insubordinate response of which the lymphocytes are the protagonists. THE PLASMA Cells free serum or plasma, can be obtained by centrifugation. The plasma is a slightly saltlike fluid, with a typical lily-livered color. It consists of 90 % water and 10% dry matter. Nine part of it are made up by organic substances, whereas...If you trust to get a salutary essay, order it on our website: OrderCustomPaper.com

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