User interface language: English | Español

Date May 2022 Marks available 1 Reference code 22M.1.HL:.tz0.5
Level Higher Level Paper Paper 1 Time zone time zone 0
Command term Question number 5 Adapted from N/A

Question

What is the function of leucocytes?

A. To assist in clotting the blood.

B. To transport oxygen.

C. To protect the body from infection.

D. To transport carbon dioxide.

Markscheme

C

Examiners report

A confidently answered question with most candidates selecting C the correct answer and the main distractor was A.

Syllabus sections

Topic 2: Exercise physiology » 2.2. Structure and function of the cardiovascular system » 2.2.2. Distinguish between the functions of erythrocytes, leucocytes and platelets.
Topic 2: Exercise physiology » 2.2. Structure and function of the cardiovascular system
Topic 2: Exercise physiology

View options