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Human sexuality: From cells to society PDF

580 Pages·2013·29.885 MB·English
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This page intentionally left blank Buy the way you want and save Get the best grade in the shortest time possible! Choice (pick your format) Value (get free stuff) Savings (publisher-direct prices) Visit cengagebrain.com to find… Textbooks • Rental • eBooks • eChapters Study Tools • Best Buy Packages Your First Study Break www.cengagebrain.com Human Sexuality From Cells to Society Martha S. Rosenthal Florida Gulf Coast University Australia • Brazil • Japan • Korea • Mexico • Singapore • Spain • United Kingdom • United States This is an electronic version of the print textbook. Due to electronic rights restrictions, some third party content may be suppressed. Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. The publisher reserves the right to remove content from this title at any time if subsequent rights restrictions require it. For valuable information on pricing, previous editions, changes to current editions, and alternate formats, please visit www.cengage.com/highered to search by ISBN#, author, title, or keyword for materials in your areas of interest. Human Sexuality: From Cells to Society © 2013 Wadsworth, Cengage Learning Martha S. Rosenthal ALL RIGHTS RESERVED. No part of this work covered by the copyright herein Senior Publisher: Linda Ganster may be reproduced, transmitted, stored, or used in any form or by any means, Publisher: Jon-David Hague graphic, electronic, or mechanical, including but not limited to photocopying, recording, scanning, digitizing, taping, Web distribution, information networks, Executive Editor: Jaime Perkins or information storage and retrieval systems, except as permitted under Developmental Editor: Tangelique Williams Section 107 or 108 of the 1976 United States Copyright Act, without the prior Freelance Development Editor: Angela Kao written permission of the publisher. Assistant Editor: Jessica Alderman Media Editor: Lauren Keyes For product information and technology assistance, contact us at Cengage Learning Customer & Sales Support, 1-800-354-9706 Marketing Manager: Christine Sosa For permission to use material from this text or product, Marketing Coordinator: Janay Pryor submit all requests online at www.cengage.com/permissions Marketing Communications Manager: Laura Localio Further permissions questions can be e-mailed to [email protected] Senior Content Project Manager: Pat Waldo Design Director: Rob Hugel Library of Congress Control Number: 2011931456 Senior Art Director: Vernon Boes Student Edition: Senior Manufacturing Planner: Karen Hunt Rights Acquisitions Specialist: Roberta Broyer ISBN-13: 978-0-618-75571-4 Production Service: Megan Greiner, ISBN-10: 0-618-75571-3 Graphic World Inc. Loose-leaf Edition: Text Designer: Jeanne Calabrese ISBN-13: 978-0-8400-2890-7 Photo and Text Researcher: Terri Wright ISBN-10: 0-8400-2890-3 Illustrators: Graphic World Inc. and Argosy Cover Designer: Jeanne Calabrese Wadsworth Cover Photo: DOF-PHOTO by Fulvio/Getty Images 20 Davis Drive Compositor: Graphic World Inc. Belmont, CA 94002-3098 USA Cengage Learning is a leading provider of customized learning solutions with office locations around the globe, including Singapore, the United Kingdom, Australia, Mexico, Brazil, and Japan. Locate your local office at www.cengage.com/global Cengage Learning products are represented in Canada by Nelson Education, Ltd. To learn more about Wadsworth, visit www.cengage.com/wadsworth.com Purchase any of our products at your local college store or at our preferred online store www.CengageBrain.com Printed in Canada 1 2 3 4 5 6 7 15 14 13 12 11 This book is for Barbara Soloff Rosenthal (June 21, 1936–December 17, 2007) and Charles H. Press (March 20, 1933–February 8, 2010) about the author Martha S. Rosenthal began her edu- disciplines influence each other. She has spent a lifetime in multi- cational journey studying drugs. She disciplinary study and identifies with Robert Browning’s Last now studies sex and suspects that rock Duchess—“she liked whate’er she looked on, and her looks went ‘n’ roll is next. Dr. Rosenthal is a profes- everywhere”—(with a different context and hopefully a better out- sor of physiology at Florida Gulf Coast come). In addition, Dr. Rosenthal guides students to critically ana- University, where she teaches Human lyze and evaluate the information they encounter. Dr. Rosenthal Sexuality, Human Physiology, Neuro- has received several awards, including teacher of the year at both science, and Drugs and Society and the University of Florida and at Florida Gulf Coast University, and coteaches Interdisciplinary Issues in she has been recognized as one of the 20 most influential people Gender. She received her bachelor’s on the campus of FGCU. Her mother would like it mentioned that degree in biology from the University of she played violin at Carnegie Hall when she was 9 years old. Virginia, her master’s degree in neuro- Dr. Rosenthal is also the coauthor of Discoveries in Human Systems pharmacology from Brown University, (North Carolina: Hunter, 2004). In addition to textbooks, she has and her PhD in neuroscience from UCLA. Dr. Rosenthal taught written articles on the physiology of sleep and on the use of games her first human sexuality class more than 10 years ago and was in the classroom. Dr. Rosenthal has presented on issues of teach- instantly hooked. Her educational passion is to encourage open ing human sexuality at national and international conferences. and honest communication about sexuality. Dr. Rosenthal also When not writing, Dr. Rosenthal enjoys reading, working out, believes that no topic can be understood in a vacuum and that all watching movies, and spending time with family and friends. iv / brief contents 1 Introduction to Sexuality 2 2 Evaluating Studies of Sexuality 28 3 Male Reproductive Anatomy and Physiology 48 4 Female Reproductive Anatomy and Physiology 70 5 Sex and Gender 100 6 Sexual Response 128 7 Attraction, Dating, and Hooking Up 160 8 Love 184 9 Committed Relationships and Communicating With Your Partner 204 10 Sexual Orientation 232 11 Consensual Sexual Behavior 260 12 Contraceptive Choices and Ending Pregnancy 288 13 Conception, Pregnancy, and Birth 320 14 Sexually Transmitted Infections 354 15 Variations in Sexual Behavior 384 16 Sexual Coercion and Violence 404 17 Sex for Sale 434  / v contents 1 Introduction to Sexuality 2 Studying Sexuality Across the Life Span 38 Studying Cross-Cultural Sexuality 39 From Cells to Society/Culture & Human Sexuality: Cross- Why a Course on Human Sexuality? 4 Cultural Studies of Adolescent Sexuality 40 Where Have You Learned About Sex? 4 How Will You Guarantee That Your Study Is Safe and Sex Actually: Sexual Knowledge Test 5 Ethical? 40 What Is Normal? 6 How Will You Ensure the Validity of Your Results? 41 Perspectives of Sexuality: A Multidisciplinary Sex Actually: Stanley Milgram’s Study on Obedience 42 Approach 6 Critical Evaluation: Comparison of Findings in Two Biology 7 Sexuality Surveys 43 Sociobiology/Evolutionary Psychology 8 Psychology 9 Critically Evaluating Studies of Sexuality 43 Historical Perspectives of Sexuality 10 Consider the Quality of the Research 43 Critical Evaluation 12 Recognize Underlying Value Assumptions 44 Evaluate the Strength of the Argument 44 Religion, Spirituality, and Values 12 Culture and Society 15 Sex Actually: Critical Thinking Quiz 46 From Cells to Society/Anthropology & Human Sexuality: Using Your Critical Thinking Skills 46 Liminal Experiences 16 Chapter Summary 47 Anthropology 17 Additional Resources 47 Language 17 Media 18 From Cells to Society/Language & Human Sexuality: The Naming of the Screw 19 3 Male Reproductive Anatomy Sex Education 21 and Physiology 48 What Should Be Taught? 21 When Should Sex Education Begin? 21 External Anatomy 50 Who Should Be Responsible for Sex Education? 22 The Penis 50 Abstinence-Only Education 23 Sex Actually 50 Sexuality Education Across the Life Span 25 The Scrotum 53 Chapter Summary 26 Sex Actually: Penis Piercings 55 Additional Resources 26 Internal Anatomy 56 Components of the Testes 56 2 Evaluating Studies The Ejaculatory Pathway 57 The Seminal Glands 57 of Sexuality 28 Hormones 58 What Is a Hormone? 58 How Do We Know What We Know About Sex? 30 Hormones That Affect the Male Body 59 Sex Researchers Through History 30 Factors That Affect Testosterone Levels 59 Sexologists Today 32 From Cells to Society/Biology & Human Sexuality: The Role of Political Issues in Sex Research 32 Testosterone on Aggression 60 Investigating Human Sexuality 33 Sperm 62 What Exactly Are You Investigating? 33 Who Are You Studying? 33 Critical Evaluation: Does ’Roid Raid Exist? 63 How Will You Find Your Answer? 35 Spermatogenesis 64 Sex Actually: Research and Human Sexuality 36 Male Reproductive Health Issues 65 Conditions That Can Affect the Penis 65 vi /

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