| Date | May 2019 | Marks available | 1 | Reference code | 19M.1.HL:.tz0.22 |
| Level | Higher Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 22 | Adapted from | N/A |
Question
Which are the functions of the skin?
I. Temperature regulation
II. Excretion
III. Synthesis of vitamin D
A. I only
B. I and II only
C. II and III only
D. I, II and III
Markscheme
D
Examiners report
Low-difficulty question (84.91 %)
