| Answer | Crossword Clue |
|---|---|
| bilirubin | a reddish yellow pigment present in bile |
| bilirubins | BILIRUBIN, a reddish yellow pigment present in bile |
| biliverdin | a green pigment present in the bile |
| biliverdins | BILIVERDIN, a green pigment present in the bile |
| humours | Each of the four chief fluids of the body (blood, phlegm, yellow bile , and black bile ) that were thought to determine a person's physical and mental qualities by the relative proportions in which they were present |
| quercetin | A yellow crystalline pigment present in plants, used as a food supplement to reduce allergic responses or boost immunity |
