CHAPTER 23 Circulation Chapter Objectives Opening Essay Describe the adaptations of giraffes and humans to circulate blood against the pull of gravity. Circulatory Systems 23.1 23.1 23.2 Describe the general functions of a circulatory system. Compare the structures and functions of gastrovascular cavities‚ open circulatory systems‚ and closed circulatory systems. Compare the cardiovascular systems of a fish‚ an amphibian‚ a reptile‚ a bird‚ and a mammal. The Human Cardiovascular System
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Chemistry Ozone Depletion Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth’s stratosphere (the ozone layer)‚ and a much larger springtime decrease in stratospheric ozone over Earth’s polar regions. The latter phenomenon is referred to as theozone hole. In addition to these well-known stratospheric phenomena‚ there are also springtime polartropospheric ozone depletion events. The
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CHEMISTRY Guess Paper – 2013 Class – XI Subject - CHEMISTRY MAX MARKS=90 ……………………………………………………………………………………… General instructions: All questions are compulsory. Marks for each question are indicated against it. Questions number 1to 8 are very short –answer questions‚ carrying 1 mark each. Answer these in one word or about one sentence each. Questions number 9 to18 are short –answer questions‚ carrying 2 marks each. Answer these in about 30 words each. Questions number19 to27
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98-366 Networking Fundamentals Exam Design The Basics This exam is designed to assess candidates’ knowledge of fundamental networking concepts. MTA is a new certification under the Microsoft Certification Program that validates the foundational knowledge needed to begin building a career in Microsoft technologies. It can also serve as a stepping stone to the Microsoft Certified Technology Specialist exams. Successful candidates for this exam will earn an MTA certification as well as access to benefits
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Fundamentals of Marketing http://www.future.swinburne.edu.au/units/Fundamentals-of-Marketing-MKT10007/local Aims and objectives At the conclusion of this unit of study‚ the successful student will have acquired an understanding of key Marketing concepts and their application to modern business. This understanding of Marketing will also aid in the understanding of other disciplines in the Bachelor of Business/Commerce as well as providing a strong philosophical foundation for the vocational
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1. Introduction The aim of this essay is to name and identify the various theories of personality as well as explain the theoretical concepts within these theories. The assignment will also cover the similarities and differences within the two theories. It is also shown that the two theoretical approaches of personality chosen will be discussed by explaining the structure within the personality theory‚ the methods of gathering data and the strengths and weaknesses of the two theories. The theories
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CULINARY FUNDAMENTALS Course Guide (9th Edition Pro-chef references) The materials for this course were developed by the Culinary Fundamentals department of The Culinary Institute of America. Revision Date October 2011 Version Reference 1.2 Copyright © 2011 THE CULINARY INSTITUTE OF AMERICA® All Rights Reserved This manual is published and copyrighted by The Culinary Institute of America. Copying‚ duplicating‚ selling or otherwise distributing this product is hereby expressly forbidden
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Fundamentals of Microeconomics In the world today product and services are both key to the survival of mankind. Depending on the demand from consumers‚ companies will see an increase or decrease of the items they produce or the service rendered. In the article of trends in US gasoline and ethanol use and petroleum production and imports these items will be looked at; as well as a discussion of the fundamentals of microeconomics. First‚ in order to understand what the fundamentals of microeconomics
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Organometallic preparation and addition to carbonyls‚ Wittig reagent preparation and Wittig rxn‚ Wolff‚ H-based nucleophile carbonyl reduction‚ imine formation‚ reductive amination (rxn only)‚ ketal/acetal formation‚ dithiane chemistry (rxn only)‚ alpha-bromination of ketones‚ -COOH properties (the trends on HW4)‚ Fischer‚ acidic/basic hydrolysis of esters/amides/nitriles‚ CH2N2‚ acid chloride formation (rxn only)‚ acid chloride rxns with esters and amides. 2 Rxn of carboxyllic acid derivatives
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biology FOLIO BIOLOGY POLLUTION NIK ‘AINAA SYAKIRAH BT NIK GHAZALI 5 IBNU SINA INTRODUCTION Pollution is the introduction of contaminants into a natural environment that causes instability‚ disorder‚ harm or discomfort to theecosystem i.e. physical systems or living organisms. It can also be define as any undesirable changes in physical‚ chemical or biological characteristics of the natural environment‚ brought about when harmful substances or energy released by human activities. Pollution
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