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.
- What is another blood protein found in blood?
- How does rate of transpiration vary?
- Why large molecules cannot absorb into blood?
- What are cross walls?
- What is sexual reproduction?
- What are stomata?