The pectoral and pelvic girdles and the bones of limb form

Options

A. Axial skeleton
B. Appendicular skeleton
C. Visceral skeleton
D. Outer skeleton

Answer

To solve the question regarding the classification of the pectoral and pelvic girdles along with the bones of the limbs, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Skeletal System**: The skeletal system is divided into two main parts: the axial skeleton and the appendicular skeleton.

2. **Identifying the Axial Skeleton**: The axial skeleton includes the bones of the head (skull), the vertebral column (spine), and the rib cage. It primarily supports the central axis of the body.

3. **Identifying the Appendicular Skeleton**: The appendicular skeleton consists of the bones of the limbs (arms and legs) and the girdles (pectoral girdle for the upper limbs and pelvic girdle for the lower limbs).

4. **Analyzing the Options**:
- **Option A: Axial Skeleton** - This is incorrect as it does not include the limbs or girdles.
- **Option B: Appendicular Skeleton** - This is correct as it encompasses the pectoral girdle, pelvic girdle, and limb bones.
- **Option C: Visceral Skeleton** - This refers to bones associated with visceral organs, which is not relevant here.
- **Option D: Outer Skeleton** - This typically refers to an exoskeleton, which is not applicable to human anatomy.

5. **Conclusion**: Based on the classification of the skeletal system, the pectoral and pelvic girdles along with the bones of the limbs form the appendicular skeleton.

### Final Answer:
The correct answer is **B: Appendicular Skeleton**.