Human skeleton, Biology

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HUMAN SKELETON -

Hard supportive or protective elements of the animal body form the skeleton system. It's study in osteology.

EXOSKELETON -

Present outside skin. It consists of nails, hair etc. Keratine protein present.

Covers the body. Produced by ectoderm. Consists of non-living material. May be moulted periodically during growth.

ENDO SKELETON -

Occurs inside body. Produced by mesoderm. Consists of skeletal tissue as bones & cartilage.


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