| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.HL.TZ2.24 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 24 | Adapted from | N/A |
Question
Why does shivering occur?
A. The body cannot control muscles when they become cold.
B. Shivering informs the brain that the body is too cold.
C. Shivering generates heat and raises body temperature.
D. The body diverts blood away from skin reducing heat loss.
Markscheme
C
Examiners report
N/A
Syllabus sections
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