Essay on The General Features of Human Cells - 1736 Words

The adaptation of cells to their functions,their size, and shape 1.THE GENERAL FEATURES OF HUMAN CELLS The cell is the structural functional unit of all known living organisms it is the smallest unit of an organism that is classified as a living and is often called the building block of life .Like ourselves, the individual cell that forms our bodies can grow reproduce, process, information, respond to stimuli and carry out an amazing array of chemical reactions ,as the twenty first century opens we face an explosion of new data about components of cells what structures they contain how they touch and influence each other. The human body is composed of countless millions of units called cells .In an animal like a human there are†¦show more content†¦Granulocyte They are spherical shaped the most numerous of the white cells they destroy pathogens such as protozoan’s or helminths and they medicate allergy and other forms of inflammation. The cell contains many cytoplasmic granules, or secretary resides that labour potent chemicals important in the immune responses .They have a multi lobed nuclei and because of this they are often called polmorphonuclear cells. Granulocytes are subdivided into three categories neutrophils ,eosiophils and basophiles, making up to 50 to 80 percent of all white cells are neutrophils which are often one of the first cell types to arrive at the site of infection, where they engulf and destroy through a process called phagocytosis .Eosinophils and bisophils as well as the tissue cells(mast cells) arrive late .The granules of bisophils and mast cells contain a number of chemicals including histamine and leukotrines that are important in inducing allergic inflammatoryShow MoreRelatedDesigning A New Software Tool Essay1468 Words   |  6 PagesAbstract A new software tool, which aims to interactively discover the micro-organization of pyramidal neurons, has been developed recently. 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