| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| This pigment in blood transports oxygen | hemoglobin | $400 | DJ | THE BODY HUMAN | 2007-10-30 | #5322 | |
| In a single red blood cell, there are more than 300 million molecules of this iron-rich pigment | hemoglobin | $300 | J | THE BODY HUMAN | 1995-11-23 | #2584 | |
| It's the substance which gives red blood cells their color & enables them to carry oxygen | hemoglobin | $600 | DJ | THE HUMAN BODY | 1992-07-07 | #1827 | |
| Substance that gives erythrocytes their red color, even in "bluebloods" | hemoglobin | $800 | DJ | ANATOMY | 1986-04-04 | #410 |