Physiology Of Fluid Balance And The Functions Of The Main Cell Components

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Unit 13: Physiology of Fluid Balance In this assignment I will be describing the microstructure of a typical animal cell and the functions of the main cell components. Describing and explaining the factors the ways in which materials move in and out of cells. I will also be analysing the role of the phospholipid bilayer in terms of movement of materials in and out of cells. Lysosomes – Lysosomes act as the digestive system of the cell. They are found in all parts of the cell. There are very powerful enzymes within lysosomes. Cytoplasm – Cytoplasm is the gel-like substance within the cell and outside the nucleus. Chemical reactions are carried out in the cytoplasm. Nucleus – The nucleus is the largest organelle in the cell. It acts as the control system for almost all the activities of the cell. It stores the cell 's hereditary material, or DNA Mitochondria – Spherical bodies in the cytoplasm where energy is produced. The cell uses this energy to perform the specific work necessary for cell survival and function. Endoplasmic reticulum (ER) – Endoplasmic reticulum is a branching network that fills the cell interior. There two types of ER: Smooth endoplasmic reticulum (SER) – Synthesis of lipid, glycogen and steroids (e.g. cholesterol and testosterone). Rough endoplasmic reticulum (RER) – They are called because of the presence of ribosomes on them. They provide a site for protein synthesis and helps transport protein. Golgi apparatus (Golgi bodies) – The Golgi apparatus

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