- The diagram shows a cross-section of the small intestine wall, highlighting villi and microvilli that increase surface area for absorption.
- Nutrients like glucose and amino acids are absorbed into capillaries within the villi via active transport and facilitated diffusion.
- Fatty acids and glycerol are absorbed into lacteals (lymphatic vessels) within the villi after being reassembled into triglycerides.
- The absorbed nutrients enter the bloodstream or lymphatic system to be transported to body cells for energy, growth, and repair.
- The large surface area provided by villi and microvilli maximizes the efficiency of nutrient absorption in the small intestine.
Parent Tip: Review the logic above to help your child master the concept of weathering and soil formation worksheet.
