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Date	May 2022	Marks available	1	Reference code	22M.1.HL:.tz0.26
Level	Higher Level	Paper	Paper 1	Time zone	time zone 0
Command term		Question number	26	Adapted from	N/A

Question

Which are the functions of the skin?

I. Regulation of body temperature

II. Protection and immunity

III. Synthesis of vitamin D

A. I and II only

B. I and III only

C. II and III only

D. I, II and III

Markscheme

D

Examiners report

Most candidates selected D as the correct answer. Another topic where candidates were well prepared.

Syllabus sections

Topic 7: Further anatomy » 7.1. The skin system » 7.1.2. Describe the functions of the skin.

19M.1.HL:.tz0.22:
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
19N.1.HL:.tz0.26: Which are functions of the skin? I. Thermoregulation II. Protection against infectious...
19N.2.HL:.tz0.6b.ii: Describe two functions of the skin.
21M.2.HL:.tz0.8c:
The skin is the largest organ of the body. Outline four functions of the skin that maintain health.
21N.2.HL:.tz0.4b:
Describe how skin allows for homeostasis.

Topic 7: Further anatomy » 7.1. The skin system

Topic 7: Further anatomy