| Date | November 2009 | Marks available | 2 | Reference code | 09N.3.SL.TZ0.6 |
| Level | Standard level | Paper | Paper 3 | Time zone | TZ0 |
| Command term | Compare | Question number | 6 | Adapted from | N/A |
Question
Compare the distribution of blood flow at rest and during exercise.
Markscheme
blood flow to brain unchanged with exercise;
blood flow to heart wall/skeletal muscles/skin increased with exercise;
blood flow to kidneys/stomach/intestines/other abdominal organs reduces with exercise;
Examiners report
This was an easy question for most candidates.
Syllabus sections
Option D: Human physiology » Option D: Human physiology (Additional higher level topics) » D.6 Transport of respiratory gases
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