The lining of the small intestine is covered with _____, tiny, finger-like structures that absorb nutrients from food.

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Villi are the small, finger-like projections that cover the lining of the small intestine. They increase the surface area of the small intestine, allowing for more efficient absorption of nutrients from digested food. Arteries are blood vessels that carry oxygen-rich blood away from the heart, neurons are cells that transmit nerve impulses, and lacteals are lymphatic vessels that absorb fats from the small intestine.

The Lining of the Small Intestine Is Covered with _____