34Immune System DefencesMedium1 mark
The photomicrograph shows a human blood smear.
Which row identifies the labelled cells?
| 1 | 2 | 3 | |
|---|---|---|---|
| A | monocyte | neutrophil | lymphocyte |
| B | lymphocyte | neutrophil | monocyte |
| C | monocyte | lymphocyte | neutrophil |
| D | lymphocyte | monocyte | neutrophil |