Question

Does abosorption of Vitamin B in small intestine includes both diffusion and active absorption process?If not then please explain briefly​

Answer 1

Explanation:

Digested nutrients pass into the blood vessels in the wall of the intestine through a process of diffusion. ... The function of the plicae circulares, the villi, and the microvilli is to increase the amount of surface area available for the absorption of nutrients.