___are the finger-like projections arising from the walls of the small intestine.

Explanation

**Step-by-Step Solution:**

1. **Identify the Structure**: The question asks about finger-like projections in the small intestine.

2. **Recall the Name**: The finger-like projections that arise from the walls of the small intestine are known as "villi."

3. **Understand the Function**: Villi play a crucial role in the digestive system. They increase the surface area of the intestinal wall, which enhances the absorption of nutrients.

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