What are the borders of the thoracic chamber?

What are the borders of the thoracic chamber?
  1. The spine and the sternum
  2. The ribcage and the diaphragm
  3. The diaphragm and the spine
  4. The ribcage and the sternum

Solution

The thoracic chamber is formed dorsally by the vertebral column, ventrally by the sternum, laterally by the ribs, and on the lower side by the dome-shaped diaphragm.

Asked in: NCERT

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