Give the position of diaphragm during inspiration and expiration.

Explanation

### Step-by-Step Solution:

1. **Understanding the Diaphragm**: The diaphragm is a thin skeletal muscle located at the base of the thoracic cavity. It plays a crucial role in the process of breathing.

2. **Position During Inspiration**:
- During inspiration (the process of inhaling), the diaphragm **contracts**.
- When the diaphragm contracts, it **flattens** and moves downward.
- This contraction increases the volume of the thoracic cavity, creating a **vacuum** that pulls air into the lungs.
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