Sacrum in Human is formed by fusion of `:-`
(a) 3 vertebrae
(b) 5 vertebrae
(c) 8 vertebrae
(d) 6 vertebrae

Options

A. 3 vertebrae
B. 5 vertebrae
C. 8 vertebrae
D. 6 vertebrae

Answer

To solve the question regarding the formation of the sacrum in humans, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks how many vertebrae fuse to form the sacrum in humans.

2. **Identify the Sacrum**: The sacrum is a part of the vertebral column, located at the base of the spine. It is a large triangular bone.

3. **Know the Composition of the Sacrum**: The sacrum is formed by the fusion of several vertebrae. In humans, this is specifically five vertebrae.

4. **Evaluate the Options**:
- (a) 3 vertebrae: This is incorrect.
- (b) 5 vertebrae: This is correct.
- (c) 8 vertebrae: This is incorrect.
- (d) 6 vertebrae: This is incorrect.

5. **Conclusion**: The correct answer is option (b) 5 vertebrae.

### Final Answer:
The sacrum in humans is formed by the fusion of **5 vertebrae**.

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