The microscopic hairs that cover the surface of each cell lining the small intestine are called:

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The microscopic hairs that cover the surface of each cell lining the small intestine are called microvilli. These tiny projections increase the surface area for absorption and digestion of nutrients in food. Villi are the finger-like projections on the surface of the small intestine, while intestinal folds are the large folds in the lining of the digestive system. Lymphatics are vessels that transport lymph, a clear fluid containing immune cells, throughout the body.

The Microscopic Hairs That Cover the Surface of Each Cell