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Lesson 1

Lesson 1: Support in Plants and the Human Skeletal System

Lesson parts

1.1 Why is support needed?Why is support needed?1.1

1.2 Support in plantsSupport in plants1.2

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1.3 Support in animalsSupport in animals1.3

1.4 The human skeletal systemThe human skeletal system1.4

1.5 First: the skeletonFirst: the skeleton1.5

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1.6 2.1.1 The vertebral column2.1.1 The vertebral column1.6

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1.7 2.1.2 The skull (cranium)2.1.2 The skull (cranium)1.7

1.8 2.1.3 The thoracic cage2.1.3 The thoracic cage1.8

1.9 2.1.4 The pectoral girdle and the upper limb2.1.4 The pectoral girdle and the upper limb1.9

1.10 2.1.5 The pelvic girdle and the lower limb2.1.5 The pelvic girdle and the lower limb1.10

1.11 Second: cartilagesSecond: cartilages1.11

1.12 Third: jointsThird: joints1.12

1.13 Fourth: ligamentsFourth: ligaments1.13

1.14 Fifth: tendonsFifth: tendons1.14