The diagram shows an exchangesurface in the human body. Name the parts labelled 2. Enter your answer

villi/villus exchange surface in the human body which are found in the small intestine. what are the function of villi ? They are small finger-like folding in the small intestine, A network of capillaries and a big lymph vessel called the lacteal supply the villi. These are found in the small intestine's inner walls, Villi are specialized for absorption in the small intestine as they have a thin wall, one cell thick, which enables a shorter diffusion path. They have a large surface area so there will be more efficient absorption of fatty acids and glycerol into the blood stream. They have a rich blood supply to keep a concentration gradient. For more details  villi, visit brainly.com/question/11375300 #SPJ2

Answer: villi/villus Explanation: The parts labeled 2 are villi, many of which are found in the small intestine.