Give scientific reasons.
Bones of skull are immovable.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Skull's Structure**: The skull is a part of the skeletal system, which is made up of various bones that provide support to the body.

2. **Function of the Skull**: One of the primary functions of the skull is to protect the brain, which is a very sensitive and vital organ.

3. **Type of Joints in the Skull**: The bones in the skull are connected by fixed joints, also known as immovable joints. These joints do not allow any movement between the bones.

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