What features of the structure of the inner surface of the small intestine ensure the process of absorption of nutrients in it?
October 31, 2020 | Education|
1) The inner surface of the small intestine is covered with many intestinal villi – 2500 per 1 cm. 2) The walls of the villi consist of a single-layer ciliated epithelium, each cell of which has up to 3000 cilia. 3) Due to this structure, the area of the suction surface of the small intestine increases to 500 m2.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.