How many bones are found in human cranium?

Answer

To determine how many bones are found in the human cranium, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure of the Cranium**: The cranium is the part of the skull that encloses and protects the brain. It is distinct from the facial bones.

2. **Identify the Total Number of Cranial Bones**: The human cranium is composed of a total of eight bones.

3. **List the Cranial Bones**:
- **Frontal Bone**: This is a single bone that forms the forehead and the upper part of the eye sockets.
- **Parietal Bones**: There are two parietal bones, one on each side of the head, located behind the frontal bone.
- **Temporal Bones**: There are also two temporal bones, located under each parietal bone.
- **Occipital Bone**: This is a single bone located at the back of the skull.
- **Sphenoid Bone**: This is a single irregular bone located below the frontal bone, forming part of the base of the skull.
- **Ethmoid Bone**: This is another single irregular bone located in front of the sphenoid bone, contributing to the nasal cavity.

4. **Count the Bones**:
- Frontal: 1
- Parietal: 2 (1 pair)
- Temporal: 2 (1 pair)
- Occipital: 1
- Sphenoid: 1
- Ethmoid: 1

Adding these together gives us: 1 + 2 + 2 + 1 + 1 + 1 = 8.

5. **Conclude**: Therefore, the total number of bones found in the human cranium is **eight**.

### Final Answer:
The human cranium contains **eight bones**.

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