Question

which of the following is a function of the thoracic cage?
to assist in breathing
to support the pelvic girdle
to protect viscera like the bladder
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Explanation:

The thoracic cage, composed of ribs, sternum, and thoracic vertebrae, plays a key - role in the mechanics of breathing by expanding and contracting to facilitate air movement into and out of the lungs. The pelvic girdle is supported by the lower part of the vertebral column and pelvic bones, not the thoracic cage. The bladder is located in the pelvic cavity and is protected by pelvic structures, not the thoracic cage.

Answer:

To assist in breathing