In mammals, the cervical region of vertebral column always consists of seven vertebrae.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question states that in mammals, the cervical region of the vertebral column always consists of seven vertebrae. We need to determine if this statement is true or false.

2. **Vertebral Column Structure**: The vertebral column in mammals is divided into different regions: cervical, thoracic, lumbar, sacral, and coccygeal. The cervical region is the uppermost part of the vertebral column.

3. **Cervical Vertebrae Count**: In mammals, it is a well-established fact that the cervical region consists of seven vertebrae, regardless of the species. This is a characteristic feature of mammalian anatomy.

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