All animals need a support system that can help them stay upright and move. This support system is the skeleton.

A skeleton  a structure on the inside or the outside of the body that gives
support to the body and protects the softer parts of the organism.

Types of skeleton
There are three types of skeletons:
o Hydrostatic skeletons
o Exoskeletons
o Endoskeletons.

SKELETAL-SYSTEMS-OF-ORGANISMS

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