← Biology (0610)
Q1 / 5
Absorption
Higher
3 marks
Explain how the structure of a villus is adapted for efficient absorption.
A
Thin wall + rich capillary supply + large surface area from folds
B
Thick muscular wall + many valves + large lumen
C
Ciliated surface + goblet cells + mucus layer
D
Brush border only + no blood supply needed
Need a hint?