GRADE 9 SCIENCE UNIT 3 - FODE | Home

GRADE 9 SCIENCE

UNIT 3

OUR BODY

PUBLISHED BY FLEXIBLE OPEN AND DISTANCE EDUCATION FOR THE DEPARTMENT OF EDUCATION PAPUA NEW GUINEA 2017

Writers Nieves Celmar Nancy Unavi Selected Contract Writers

Content and Language Editors Science Department Subject Content Adviser Subject Review Committee

Course Format Editors Elizabeth Aimundi Anna Liza Cale Joydee Mabbagu

GR 9 SCI U3

1

GRADE 9

SCIENCE

TITLE

UNIT 3 OUR BODY

IN THIS UNIT YOU WILL LEARN ABOUT:

TOPIC 1: SKELETAL AND MUSCULAR SYSTEM TOPIC 2: CIRCULATORY SYSTEM TOPIC 3: RESPIRATORY SYSTEM TOPIC 4: EXCRETORY SYSTEM

GR 9 SCI U3

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ACKNOWLEDGMENT & ISBN

Acknowledgement

We acknowledge the contributions of all Secondary Teachers who in one way or another have helped to develop this Course.

Our profound gratitude goes to the former Principal of FODE, Mr. Demas Tongogo for leading FODE team towards this great achievement.

Special thanks to the Staff of the Science Department of FODE who played active roles in coordinating writing workshops, outsourcing lesson writing and editing processes, involving selected teachers of Central Province and NCD.

We also acknowledge the professional guidance provided by Curriculum and Development Assessment Division throughout the processes of writing, and the services given by member of the Science Review and Academic Committees.

The development of this book was Co-funded by GoPNG and World Bank.

DIANA TEIT AKIS PRINCIPAL

Flexible Open and Distance Education Papua New Guinea

Published in 2017 by Flexible Open and Distance Education ?Copyright 2017, Department of Education Papua New Guinea

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means electronic, mechanical, photocopying, recording or any other form of reproduction by any process is allowed without the prior permission of the publisher.

Printed by Flexible Open and Distance Education ISBN: 978-9980-87-692-8 National Library Services of Papua New Guinea

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CONTENTS

TABLE OF CONTENTS

Page

Secretary's Message........................................................................

4

Unit Introduction..............................................................................

5

Study Guide....................................................................................

6

TOPIC 1: Skeletal and Muscular System .....................................

7-65

Lesson 1: Lesson 2: Lesson 3: Lesson 4:

The Human Body................................................ The Skeleton .................................................... Bones and Cartilage............................................ The Joints......................................................................

9-14 15-23 24-32 33-45

Lesson 5: The Muscles ...................................................

46-58

Answers to Practice Exercises............................................................ 59-62

Review of Topic 1............................................................................ 63-65

TOPIC 2: Circulatory System................................................... Lesson 6: The Blood...................................................................... Lesson 7: The Blood Vessels............................................

67-101 69-76 77-85

Lesson 8: Heart and Circulation............................................. 86-97

Answers to Practice Exercises............................................................ 98-99

Review of Topic 2........................................................................ 100-101

TOPIC 3: Respiratory System...................................................... 103-137 Lesson 9: The Respiratory System......................................... 105-112

Lesson 10: Breathing............................................................ 113-122

Lesson 11: The Digestive System............................................ 123-132

Answers to Practice Exercises............................................................ 133-135

Review of Topic 3............................................................................ 136-137

TOPIC 4: Excretory System..................................................... 139-167 Lesson 12: The Skin........................................................................ 141-148

Lesson 13: The Kidneys........................................................ 149-159

Answers to Practice Exercises............................................................ 150-161

Review of Topic 4............................................................................ 162-163

Glossary....................................................................................... 164-166

References....................................................................................

167

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