| Answer | Crossword Clue |
|---|---|
| ABO | ... system (way of classifying human blood) |
| ABO | ... system (way of classifying blood) |
| ABO | ... system (human-blood classification) |
| ABO | Human blood classification system |
| Answer | Crossword Clue |
|---|---|
| ABO | ... system (way of classifying human blood) |
| ABO | ... system (way of classifying blood) |
| ABO | ... system (human-blood classification) |
| ABO | Human blood classification system |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.