Answer the
Which of the skull bones are movable?

Explanation

### Step-by-Step Solution:

1. **Understanding the Skull Structure**: The human skull is composed of 22 bones that are primarily fixed and do not allow for movement.

2. **Identifying Movable Bones**: Among these 22 bones, there is only one bone that is movable.

3. **Recognizing the Movable Bone**: The movable bone in the skull is called the **mandible**. It is also commonly referred to as the jawbone.

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