Name the respiratory structures of cockroach.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Respiratory System of Cockroaches:**
- Cockroaches do not have lungs like vertebrates. Instead, they have a unique respiratory system adapted to their invertebrate structure.

2. **Identification of Main Respiratory Structures:**
- The primary respiratory structures in cockroaches are the **spiracles** and the **tracheae**.

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