26 Oct 2021
Problem 27
Page 1121
Section 38.3: Critical Thinking Questions
Chapter 38: The musculoskeletal system
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26 Oct 2021
Background and context
The exoskeleton is a hard substance secreted by the cell and forms a layer outside the cell to protect it from external dangers. The hydrostatic skeleton contains a fluid that is held in a closed compartment under high pressure.
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