小肠的“吸收神器”——绒毛结构

FIGURE 5-8 Villi in the lining of the small intestine, increase the surface area for absorption of nutrients.

图5-8 小肠黏膜内的绒毛，可增大营养物质吸收的表面积。

The tiny capillaries (microscopic blood vessels) in the villi absorb the digested nutrients into the bloodstream and lymph vessels.

绒毛内的微小毛细血管（微血管）将消化后的营养物质吸收进入血液和淋巴管。