22 Use four different colours to indicate the following structures Colour in

22 use four different colours to indicate the

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2.2 Use four different colours to indicate the following structures. Colour in the code circles as well as the corresponding structures in the diagrams. Epithelial cells (3) Nerve-cells (1) Muscular epithelial cells (3) Matrix (where matrix is found, it must be coloured differently than the living cells of the particular type of tissue. Be careful, it is not as easy as it looks!) (5) A B C
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Study unit 5 76 D E F G H I J K L FIGURE 5.6: TISSUES 3. From the following four main tissue groups select the type of tissue that best corresponds with each of the following descriptions (3.1 to 3.13). A. Connective tissue, B. Epithelium, C Muscular tissue, and D. Nervous tissue. 3.1 Forms mucus- and epidermal membranes 3.2 Allows organ movements within the body 3.3 Transmits electrochemical impulses 3.4 Supports organs in the body 3.5 Cells absorb and/or secrete materials 3.6 Unit of main control system of body 3.7 The cells shorten to apply force 3.8 Forms hormones 3.9 Packs and protects organs of the body 3.10 Large amounts of non-living matrix present 3.11 Lets you smile, swim, ski and play tennis 3.12 Most wide- spread type of tissue in body 3.13 Forms brain and spinal cord
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Study unit 5 77 4. Give the symbol of the term that does not fit in with each of the following groupings: A B C D 4.1 Collagen Cell Matrix Cell-product 4.2 Cilia Flagellum Microvilli Elastic fibres 4.3 Glands Bones Epidermis Mucosa / mucus epithelium 4.4 Fat Hyaline Bone Nerve 4.5 Blood Smooth Cardiac Skeletal
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Study unit 6 78 6 TRANSPORT SYSTEMS Approximate study time needed to complete this study unit Total Time: Approximately 36 hours Contact sessions: 8 Self study: 28 hours Study unit outcomes On completion of this study unit you should be able to distinguish between the different ways in which substances like waste, hormones, digested food and gases are transported in respectively Protista, Invertebrates and Vertebrata; describe the anatomy and physiology of the human cardiovascular system in detail; describe the anatomy and physiology of the human lymph system in detail; briefly describe a number of cardiovascular diseases and how certain life-styles may put one at greater risk to develop some of them; Sources Prescribed sources: Mader and Windelspecht pp. 605-625 Ross & Wilson pp. 73-126; 127-136 Appendix 3
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Study unit 6 79 Introductory remarks Circulation of substances like gases, nutrients and waste is essential for life. In unicellular organisms and very small animals, this is achieved through diffusion. Animals like Porifera and Cnidaria have thin body walls so that every cell is very close to the surrounding water- no specialized systems are therefore needed in these organisms. With the development of the mesoderm, complex organs, systems and more active life styles came the need for more sophisticated internal transport systems. Study attentively Transport of substances in Protista and invertebrate animals [10] 1. Use the information in Mader and Windelspecht to explain: 1.1 How macroscopic animals like A and B in figure 6.1 are adapted to cope without blood systems. (4) 1.2 How the blood systems of C and D in figure 6.1 differ regarding type of circulation, pigments, hearts, possession of capillaries or haemocoel. (6)
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  • Spring '16
  • Ambani Mudau
  • Phylum, Windelspecht

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