Across
- 2. Liquid part of blood (6 letters)
- 4. Valve between the right atrium and right ventricle (7 letters)
- 5. Iron-containing protein in red blood cells (9 letters)
- 7. Carries oxygenated blood away from the heart (7 letters)
- 9. Type of blood vessel that carries blood back to the heart (8 letters)
- 10. Largest artery in the body (5 letters)
- 11. Valve between the left atrium and left ventricle (8 letters)
Down
- 1. Tiny blood vessels where oxygen and nutrients are exchanged (8 letters)
- 3. Upper chamber of the heart (4 letters)
- 5. Condition where blood pressure is consistently high (10 letters)
- 6. The scientific name for red blood cells (10 letters)
- 8. Process of blood clot formation (9 letters)