Table of ContentsINTRODUCTION...........................................................................................................................1TASK 2............................................................................................................................................1Different cells with structure and functions...........................................................................1CONCLUSION................................................................................................................................6REFERENCES................................................................................................................................7
INTRODUCTIONCell biology refers to study of structure and functions of different kinds of cells alongwith analysing the concept that it is a fundamental unit of life. It consist various types of cellssuch as epithelial, secretory, muscle and specialised plant cells which has their own structure andfunctions to body of organism (Pollard and et. al., 2016). The present is based on cell biologyand going to focus on different cells by defining their functions and structures. TASK 2Different cells with structure and functionsThe cell can be explained as basic structural and functional unit of life including severalcomponents which are known as organelles. It consist cell membrane, endoplasmic reticulum,mitochondria, golgi apparatus, lysosomes, nucleus, cytoplasm, perioxisomes and microfilaments& microtubules. Moreover, there are different types of cells containing their own structure andfunctions but few of cells lack almost al organelles like red blood cells. Epithelial cellsThe epithelial cells cover all body surfaces which exposed to outside environment andlining the outside organs. It also consist other areas including airways, digestive tracts, urinaryand reproductive systems which are lined by epithelial cells. (Source: Epithelial Tissue, 2019)However, the structure of epithelial cells contain less or no extracellular material withbetween cell membranes known as cell junction. It consist basal lamina which is mixture of1Illustration 1: Epithelial Tissue
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