| Answer | Crossword Clue |
|---|---|
| haemoglobin | the iron-containing pigment which is the oxygen-carrying substance present in the red blood cells of vertebrates also HEMOGLOBIN |
| Answer | Crossword Clue |
|---|---|
| haemoglobin | the iron-containing pigment which is the oxygen-carrying substance present in the red blood cells of vertebrates also HEMOGLOBIN |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.