Villi (Sing. Villus)
Capillaries
Fluid and particles absorbed into lymph capillaries
Fat
LYMPH
LYMPH
blood
All blood vessels allow gases, such as oxygen and nitrogen, as well as liquids, enzymes, etc, to pass through them. Food particles, once absorbed by the small intestines, become part of this process.
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Much of the nutrients are absorbed by the small intestine, where the surface area is minimized by the villi, which absorbs the "soup" of food that has been digested by the duodenum, the stomach, and the mouth. The soup is absorbed by diffusion and reaches either the lacteal or capillaries. Lacteal carries fat, and blood vessels carries everything else such as glucose.The absorbed nutrients can now be used by the body.
the capillaries diffuse the digested food to every cell in the body
capillaries
The digested food that enters the capillaries consists primarily of small molecules such as amino acids, simple sugars (like glucose), and fatty acids. These nutrients are absorbed in the small intestine and then transported through the bloodstream via the capillaries. This process allows the body to deliver essential nutrients to cells for energy, growth, and repair.