What is the difference between a true rib and a floating rib?

Explanation

### Step-by-Step Text Solution:

1. **Definition of Ribs**: The human rib cage consists of 12 pairs of ribs, which are categorized into three types: true ribs, false ribs, and floating ribs.

2. **True Ribs**:
- True ribs are the first 7 pairs of ribs (1st to 7th pairs).
- They are dorsally attached to the thoracic vertebrae, meaning they connect to the spine at the back.
- Ventrally, true ribs are connected to the sternum (chest bone) through hyaline cartilage, which provides flexibility and support.
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