Chapter 23 - The Heart 331 The Heart - Key 1 2 3 What is the name of the central region of the thorax? The central region of the thorax is the mediastinum. About how much of the heart is to the left of the mid-sternal line? Two-thirds of the heart is to the left. Where is the location of the apex of the heart? The apex of the heart is located to the left at the fifth intercostal space. Figure 23.2 11 In reference to Figure 23.2‚ identify #1 - #3. 3 Epicardium 1 Pericardium 2 Pericardial
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SPM Biology – Answering Techniques in Paper 3 SPM Biology candidates typically commit the mistake of thinking that the length of their answered essay or structured questions equates to marks deserve‚ under the formula‚ Length of Structure Answer/Essay = Marks. This is wrong and Berry Berry Easy wishes to clear the air regarding this issue. It is never about how long you write but more about how accurate you write. So for Berry Readers who can write long answers but never seemed to score well‚
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|Biology | |2013 Subject Outline | |Stage 1 and Stage 2 | contents INTRODUCTION 1 Purposes of the SACE 1 Subject Description 1 Capabilities 2 Literacy in Biology
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Imagine you are a seven-year-old whose’s parents work until five each night. When you come home after school there is no one home with you. What could you get into? You might know right from wrong but you still might get yourself into some trouble. Just out of plain curiosity you might get into something or an accident could happen without you even being involved in it. But I say there is a way to stop this from ever happening. I think we should either keep schools open longer or introduce more after
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Gay Often times when someone walks down the sidewalk‚ they hear a plethora of different words used in ways that seem uncommon to what they know. Due to the evolution of words and their meanings‚ older meaning become outdated and replaced with the new meanings. For example‚ the word “gay” has transformed over the ages and now means something completely different than what it used to. From feeling gay to describing something as gay‚ the meaning of the word has changed angles and meanings completely
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In my family‚ my brother‚ mother‚ and I have all been diagnosed with abnormal parathyroid or thyroid conditions that required surgery for us. My mother‚ the primary care-taker of our family‚ worked at a school cafeteria so that she may be able to provide for us at home after school hours as she was limited in her ability to find employment with a technical cooking degree that would still accommodate the family life. Our financial limitations were exacerbated by the diagnoses from the demands of surgery
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Question: “How are significant aspects of change reflected in Tan and Marsden’s picture book ‘The Rabbits’” John Marsden and Shuan Tan successfully convey the emotional and physical changes to Australia during the British settlement in their picture book ‘The Rabbits’. Tan and Marsden recounted the events as an allegory (in which the indigenous are possums‚ a native animal‚ and the British are represented by rabbits‚ animals carrying connotations of destruction and immorality)‚ utilising several
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Homeostasis is the ’maintenance of equilibrium in a biological system by means of an automatic mechanism that counteracts influences tending towards disequilibria’. Homeostatic mechanisms operate at all levels within living systems‚ including the molecular‚ cellular‚ and population levels. in humans homeostasis involves the constant monitoring and regulating of numerous factors including‚ oxygen and carbon dioxide levels‚ nutrient and hormone levels and inorganic and organic substances. The concentrations
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Meiosis is the process in sexually reproducing organisms where cells divide. The cells produced during meiosis have half the chromosome number as the original cell. There are two cell divisions in meiosis‚ meiosis l and meiosis ll. These cell divisions produce 4 hapolid daughter cells. Haploid cells contain only one set of chromosomes‚ which is written as n. Meiosis consists of nine phases. In meiosis the interphase l the chromosomes replicate and the centrosome duplicates in one diploid cell
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CYCLES IN BIOLOGY This essay will give examples of cycles in biology from different scales of magnification‚ ranging from molecular level to populations and ecosystems. Cycles are sequences of events which repeat themselves in the same order‚ one event leading to the next. There are many examples of these in Biology. Cycles can be seen even at a molecular level in the body. An example of this would include the passage of action potentials down neurones in the nervous system. When the cell membrane
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