villi Flashcards
1
Q
where is villi located
A
covering the wall of the small intestine.
2
Q
what is the reason for villi
A
to help diffusion
3
Q
why is there so many villi
A
to increase the surface area for diffusion
4
Q
what feature of the villi allows for a short diffusion distance SDD
A
the one cell thick walls
5
Q
why do villi have a good blood supply
A
provides a concentration gradient
