What substances are the elastic fibers of connective tissue made of? What are some of the functions of these fivers?

Explanation

**Step-by-Step Solution:**

1. **Identify the Composition of Elastic Fibers:**
- Elastic fibers are primarily made up of a protein called elastin. This protein is crucial for the elasticity of the fibers.

2. **Location of Elastic Fibers:**
- These fibers are found in various connective tissues throughout the body, particularly in the walls of arteries and in the lungs.

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