Voluntary muscles are found in

Options

A. alimentary canal
B. limbs
C. iris of the eye
D. bronchi of lungs

Explanation

**Step-by-Step Solution:**

1. **Understanding Voluntary Muscles**: Voluntary muscles, also known as skeletal muscles, are muscles that we can control consciously. This means we can decide when to move them.

2. **Characteristics of Voluntary Muscles**: These muscles are striated, which means they have a banded appearance due to the arrangement of muscle fibers.

3. **Identifying Locations of Voluntary Muscles**: The primary location where voluntary muscles are found is in the limbs. Examples include muscles like the biceps and triceps in the arms.

4. **Examining the Options**:
- Option A: Alimentary canal - This contains involuntary muscles (smooth muscles).
- Option B: Limbs - This is where voluntary (skeletal) muscles are found.
- Option C: Iris of the eye - This contains involuntary muscles (smooth muscles).
- Option D: Bronchi of lungs - This also contains involuntary muscles (smooth muscles).

5. **Conclusion**: Based on the analysis, voluntary muscles are found in the limbs.

**Final Answer**: Voluntary muscles are found in **limbs** (Option B).

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