| Date | November 2017 | Marks available | 1 | Reference code | 17N.1.HL.TZ0.23 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Identify | Question number | 23 | Adapted from | N/A |
Question
Which type of cell is specialized to facilitate gas exchange?
A. Type I pneumocytes
B. Type II pneumocytes
C. Internal intercostal muscle fibres
D. External intercostal muscle fibres
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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