Villi are small, finger-like projections in the intestinal lining that increase the surface area for absorption. Each villus is covered with even smaller projections called microvilli, which further enhance this surface area. The presence of many microvilli allows for more efficient absorption of nutrients, as they create a larger interface between the intestinal contents and the absorptive cells. This adaptation is crucial for maximizing the uptake of essential nutrients from digested food.
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