What are the bones present in the left pectoral girdle and the left arm respectively in a human?

Explanation

To answer the question regarding the bones present in the left pectoral girdle and the left arm in a human, we can break it down into two parts: the bones of the left pectoral girdle and the bones of the left arm.

### Step-by-Step Solution:

1. **Identify the Bones in the Left Pectoral Girdle**:
- The left pectoral girdle consists of two main bones:
- **Clavicle**: This is also known as the collarbone. There is **one clavicle** on the left side.
- **Scapula**: This is also known as the shoulder blade. There is **one scapula** on the left side.
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