The total number of ribs in human body is `:`

Options

A. 10
B. 12
C. 24
D. 36

Answer

To solve the question regarding the total number of ribs in the human body, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Structure of Ribs**:
- The human rib cage is made up of ribs that are arranged in pairs. Each person typically has a total of 12 pairs of ribs.

2. **Calculating the Total Number of Ribs**:
- Since there are 12 pairs of ribs, we can calculate the total number of ribs by multiplying the number of pairs by 2 (as each pair consists of 2 ribs).
- Total ribs = 12 pairs × 2 = 24 ribs.

3. **Identifying Types of Ribs**:
- Ribs are categorized into three types:
- **True Ribs**: These are the first 7 pairs (1-7) that connect directly to the sternum.
- **False Ribs**: These are the 8th, 9th, and 10th pairs (8-10) that connect to the sternum indirectly via costal cartilage.
- **Floating Ribs**: These are the last 2 pairs (11th and 12th) that are only attached at the back and do not connect to the sternum at all.

4. **Conclusion**:
- Therefore, the total number of ribs in the human body is 24.

### Final Answer:
The total number of ribs in the human body is 24.

---