How many types of muscles occur in the body of a Vertebrate?

Explanation

### Step-by-Step Solution:

1. **Understanding Vertebrates**: Vertebrates are organisms that possess a vertebral column (spine). This characteristic is fundamental in defining the group.

2. **Identifying Muscle Types**: In the bodies of vertebrates, there are three main types of muscles: cardiac muscle, smooth muscle, and skeletal muscle.

3. **Cardiac Muscle**:
- This type of muscle is found exclusively in the heart.
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