List three general functions of the thoracic cage.

1. Protects the heart, abdominal organs, and lungs

2. helps with breathing  

3. supports the bones of the shoulder girdle & arms.

Explanation:

The thoracic cage is a part of the skeleton system, formed of 12 pairs of ribs, costal cartilages, the sternum, and the 12 thoracic vertebrae.  

Three major functions of the thoracic cage are -

-The thoracic cage has a heart, lungs, and some abdominal organs in its cavity and prevents it from any shock or injury.

-As thoracic cage contains the lungs in its cavity, When the muscular diaphragm contracts and flattens, an inhalation is completed while the contraction of intercostal muscles rise the thoracic cage up and out.

-The thoracic cage provides attachments for muscles of the upper limbs, neck, abdomen, thorax, and back and supports the shoulder girdle.

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explanation:

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