Topic: Human Digestive System Subtopic: The Digestive System and The Process
Why are Villi essential?
Answer: The Villi in the small intestine are perfect for absorbing food because they provide the small intestine with a much larger surface area. They have a thin outer layer of cells and a dense network of blood capillaries.
Learn also:
- Why is cold caused?
- What is ovule?
- What are products of respiration?
- What are harmful effects of carbon dioxide?
- What is affect of wind on transpiration?
- Why is iron important?