Unit 5 - P1,P2,P3 - 6290 Words

ANATOMY AND PHYSIOLOGY P2, P3 4/27/2015 Khadra Ali | P1 – Outline the functions of the main cell components The human body is made up of millions of tiny cells that can only be seen under a microscope, cell also vary in shape and size. Cells are the basic structural of all living things. The human body is poised of trillions of cells. They give structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body’s hereditary material and can make copies of them. Cells all have different sizes, shapes, and jobs to do. Each cell has a different function. The actual definition of cells is the smallest structural unit of the body that is capable of†¦show more content†¦Each mitochondrion has a double-layered membrane like the cell membrane, however the inner layer is folder which produces ‘shelves’ which are known as cristae, this is where the end stages of glucose oxidation are located. The energy that has been released is stored until required by a ‘chemical batteryâ€⠄¢ called adenosine triphosphate. Endoplasmic reticulum: ‘Endo’ means with in and reticulum is a complex word meaning network. There are two variations to endoplasmic reticulum (ER) which are rough and smooth. The ER is a branching network which fills the cell interior; the channels are similar to the cell membrane they create passageways for transporting materials to and from different parts of the cell. Rough ER is studded with tiny black bodies known as ribosomes; they make cell protein and act as a temporary storage area. Smooth ER has no attached ribosomes and is involved in the metabolism of lipids or fats. (Studios, A. (2014). Golgi apparatus: This is a series of flattened, fluid-filled sacs stacked like pancakes. The Golgi apparatus is believed to package proteins for delivery to other organelles; it is also responsible for producing lysosomes. Lysosomes: Lysosomes can be found in all parts of the cell cytoplasm, they are also small vesicles produced by the Golgi apparatus. As these are capable of digesting all major chemical components of living cells they are also called suicide bags. They are free to travel throughout the cell; they destroyShow MoreRelatedReliability And Availability Evaluation Of A System Switched1625 Words   |  7 PagesRELIABILITY AND AVAILABILITY EVALUATION OF A SYSTEM SWITCHED TO ANOTHER SIMILAR, SUBSTITUTE OR DUPLICATE SYSTEM ON TOTAL FAILURE ABSTRACT A two-unit standby system is considered with two types of repair facilities. One facility repairs one unit at a time and other facility repairs both the units simultaneously. 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