Thursday, 20 September 2012

Hydrostatic Skeleton

Hydrostatic Skeleton or Fluid-filled Skeleton

A hydrostatic skeleton consists of a fluid filled cavity surrounded by a muscular structure in soft-bodied invertebrates.

1. Invertebrates without an exoskeleton, such as earthworm, leeches, slugs and jellyfish have a hydrostatic or fluid-filled skeleton.
2. A hydrostatic skeleton consists of liquids under pressure contained in certain compartment of the body.
3. The high pressure in the liquid acts on the inner walls of the animals body to support its body and to maintain its shape.
4.The hydrostatic skeleton has the following functions
          a.      provides support
          b.      maintains body shape
          c.       aids movement

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Welcome to give me other examples. Can you?

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