To answer the multiple-choice question regarding which part of the skeleton is typically composed of four bones that fuse around the age of 25, let's analyze the options given:

1. **Skull**: The skull is composed of many bones that are fully fused at a much younger age, typically during childhood.

2. **Wrist**: The wrist consists of several carpal bones that do not fuse in the same manner as the options we are considering here.

3. **Sacrum**: The sacrum is a bone at the base of the spine formed by the fusion of five sacral vertebrae. This fusion occurs during late adolescence into early adulthood.

4. **Coccyx**: The coccyx, commonly known as the tailbone, is typically made up of four small coccygeal vertebrae that fuse together around the age of 25.

### Final Answer
The correct answer is **coccyx**.

Question

To answer the multiple-choice question regarding which part of the skeleton is typically composed of four bones that fuse around the age of 25, let's analyze the options given:

1. **Skull**: The skull is composed of many bones that are fully fused at a much younger age, typically during childhood.
  
2. **Wrist**: The wrist consists of several carpal bones that do not fuse in the same manner as the options we are considering here.

3. **Sacrum**: The sacrum is a bone at the base of the spine formed by the fusion of five sacral vertebrae. This fusion occurs during late adolescence into early adulthood.

4. **Coccyx**: The coccyx, commonly known as the tailbone, is typically made up of four small coccygeal vertebrae that fuse together around the age of 25.

### Final Answer
The correct answer is **coccyx**.

Knowee AI · Accepted Answer

To answer the multiple-choice question regarding which part of the skeleton is typically composed of four bones that fuse around the age of 25, let's analyze the options given:

1. **Skull**: The skull is composed of many bones that are fully fused at a much younger age, typically during childhood.
  
2. **Wrist**: The wrist consists of several carpal bones that do not fuse in the same manner as the options we are considering here.

3. **Sacrum**: The sacrum is a bone at the base of the spine formed by the fusion of five sacral vertebrae. This fusion occurs during late adolescence into early adulthood.

4. **Coccyx**: The coccyx, commonly known as the tailbone, is typically made up of four small coccygeal vertebrae that fuse together around the age of 25.

### Final Answer
The correct answer is **coccyx**.

What part of the skeleton is typically composed of four bones that fuse around the age of 25?Multiple choice question.skullwristsacrumcoccyx

Question

What part of the skeleton is typically composed of four bones that fuse around the age of 25?

Solution

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