Locomotion and Movement

Explain sternum and give its functions.

Sternum : It lies in the centre in thoracic region on ventral sides. It is a flat bone on the ventral midline of thorax.

Functions of sternum :

1. It provides the position for the attachment of ribs.

2. It takes part in the formation of rib cage which protects the heart and lungs.

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Which structure helps in the articulation of skull region with the superior region of the vrtebral column?

What are motor end plates ?

Define skeletal system.

What are junctional folds ?

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