Question

Which is the flat bone on the ventral midline of the thorax?

Answer 1

Sternum:

1. A flat, vertical bone situated centrally at the chest wall is the sternum.
2. Sternum connects to ribs and forms ribcage.
3. Sternum protects visceral organs inside the thoracic cavity from injury.
4. Till the middle age, sternum is cartilaginous while as the age increases it becomes calcified.