Which bones from the thoracic cage in man ?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Thoracic Cage**: The thoracic cage, also known as the rib cage, is a bony structure that surrounds the thoracic cavity and protects vital organs such as the heart and lungs.

2. **Identifying the Bones**: The thoracic cage is primarily composed of three types of bones:
- **Thoracic Vertebrae**: There are 12 thoracic vertebrae (T1 to T12) that form the posterior part of the thoracic cage. These vertebrae provide support and structure to the ribcage.
- **Sternum**: This is a flat bone located at the front of the chest. It is also known as the breastbone and is crucial for the attachment of the ribs.
- **Ribs**: The rib cage consists of 12 pairs of ribs. The first seven pairs of ribs are known as true ribs because they are directly attached to the sternum via costal cartilage.
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