The double-layered membrane that encloses each lung is called ________

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the double-layered membrane that surrounds each lung.

2. **Identifying the Membrane**: Each lung is enclosed by a specific type of membrane known for its protective qualities.

3. **Naming the Membrane**: The name of the double-layered membrane that encloses each lung is called the "Pleura."

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