Q
Which features enable intestinal villi to absorb digested food? (i) Finger-like shape and very thin walls. (ii) Large surface area. (iii) Small pores for food to pass through. (iv) Rich blood-capillary supply.
RRB Group-D
26/08/2022 / Shift III
2022
✓ Answer:
A
(i), (ii) and (iv)
Villi provide a large, thin absorptive surface with a rich blood supply. Nutrients cross the epithelial lining rather than passing through simple pores.