Chapter 6 The Muscular System 9 7

Topic 18: Skeletal and Muscular Systems (Ch. 49) Uses of skeletons. protection of body structures. rigid support for body structures. allow movement by serving as a rigid surface for muscle attachment. Types of skeletons. hydrostatic skeleton (AKA hydraulic skeleton or hydroskeleton) found in soft-bodied invertebrates (such as earthworm) ................
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