| Answer | Crossword Clue |
|---|---|
| haemocyanin | an oxygen-carrying pigment in arachnids, equivalent to haemoglobin in mammals |
| Answer | Crossword Clue |
|---|---|
| haemocyanin | an oxygen-carrying pigment in arachnids, equivalent to haemoglobin in mammals |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.