Exchange Surfaces Flashcards
1
Q
exchange surface
A
used to assist diffusion in animals, with a low SA : V
2
Q
root hair cells
A
high surface area
3
Q
villi
A
high surface area, short diffusion path, microvilli, blood supply
4
Q
gills
A
only work when water is forced in/ out, ventilated
5
Q
high surface area =
A
high absorption rate
6
Q
ventilation + good blood supply =
A
maintaining a high concentration gradient
7
Q
short diffusion path =
A
high rate of diffusion
