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Date November 2019 Marks available 1 Reference code 19N.1.SL.TZ0.26
Level Standard level Paper Paper 1 Time zone TZ0 / no time zone
Command term Determine Question number 26 Adapted from N/A

Question

The diagram shows the human heart.

[Source: adapted to remove labels and arrows, recoloured and relabelled from Wapcaplet/
https://commons.wikimedia.org/wiki/File:Diagram_of_the_human_heart_(cropped).svg]

 

After a red blood cell picks up oxygen in the lungs, which sequence shows the path it could take when passing through the heart during its circuit of the body?

A. I → II → III → IV

B. II → I → IV → III

C. IV → III → I → II

D. IV → III → II → I

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 6: Human physiology » 6.2 The blood system
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