- Insects have a unique system for gas exchange called the **Tracheae**.
- These are tiny tubes that extend throughout the insect's body, allowing air to reach internal tissues directly.
- **Correct Answer**: ✅ **Tracheae**

- **Gills** are used by aquatic animals like fish for gas exchange, not insects.

- The **Diaphragm** is a muscle found in mammals, aiding in breathing, but not present in insects.

- **Spiracles** are openings on the insect’s body surface that lead to the tracheal system, allowing air to enter.

YOUR ANSWER IS RIGHT