There are 11 pairs of ribs in man.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The statement claims that there are 11 pairs of ribs in humans. We need to verify the accuracy of this statement.

2. **Identifying the Total Number of Ribs**: In humans, there are a total of 12 pairs of ribs, which means there are 24 individual ribs.

3. **Classifying the Ribs**:
- **True Ribs**: The first 7 pairs (ribs 1 to 7) are known as true ribs. They connect directly to the sternum (breastbone) via costal cartilage.
- **False Ribs**: The next 3 pairs (ribs 8 to 10) are called false ribs. They do not connect directly to the sternum but are attached indirectly through the costal cartilage of the 7th rib.
- **Floating Ribs**: The last 2 pairs (ribs 11 and 12) are referred to as floating ribs. They do not connect to the sternum at all.

4. **Conclusion**: Since there are 12 pairs of ribs in humans, the statement that there are 11 pairs of ribs is false.

**Final Answer**: The statement "There are 11 pairs of ribs in man" is false; humans have 12 pairs of ribs.

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