The primary function of villi is to absorb nutrients from food and ... Villi are extremely small, ranging from 0.5 to 1 millimeters in length (0.02 to 0.04 inch). There are between 10 to 40 ...

To understand how small that is, 1 millimeter is the width of a ... your villi also help recycle cells and assist with immune function. The main job of the villi is to absorb necessary nutrients ...