| Rating | Solver | Clue |
|---|---|---|
| HAEMOGLOBIN | Red blood-cell protein | |
| STROMA | The spongy, colorless framework of a red blood corpuscle or other cell. | |
| 60 SECONDS | How long does it take for a red blood cell to travel around the body? | |
| CYSTOPLAST | A nucleated cell having an envelope or cell wall, as a red blood corpuscle or an epithelial cell; a cell concerned in growth. |