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Question 18M.3.SL.TZ1.c

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.SL.TZ1.c
Level SL Paper 3 Time zone TZ1
Command term Outline Question number c Adapted from N/A
c.
[Maximum mark: 2]
18M.3.SL.TZ1.c

Outline the role of intestinal villi.

[2]

Markscheme

a. villi/microvilli provide large surface area 

b. capillary network for absorption and transport 

c. lacteal for absorption and transport of lipids/fatty acids/glycerol / bile resorption 

d. mitochondria in epithelial cells provide energy for absorption

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