What are true ribs? Why are they called so?

Explanation

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

1. **Understanding Ribs**: Ribs are the bones that form the bony framework of the thoracic cavity, which is also known as the rib cage. The rib cage consists of 12 pairs of ribs and a central bone called the sternum.

2. **What is the Sternum?**: The sternum is the bone located in the middle of the chest. It serves as an anchor point for the ribs.

3. **Identifying True Ribs**: True ribs refer specifically to the first seven pairs of ribs in the rib cage. This means that there are a total of 14 true ribs (7 pairs).

...