<span>i will help you but can u give me more of what type of answer you want</span>
villi is the pleural of villus and villus refers to the finger or thread like projections of specific membranous structures often serving in the capacity of increasing surface area and to facilitate the passage of fluids or nutrients
If whipped is not a part of the underlined sentence, we can rule out a verb, leaving "through the massive trees" which is an adjective phase, as it is describing the "massive" trees.
