Respiratory and Circulatory System
Across
- 4. Side of the heart that is carrying deoxygenated blood
- 8. Muscular organ involved in the pumping of blood
- 10. Gas that is exhaled
- 12. Gas that is inhaled
- 14. Air sacs involved in gas exchange between the lungs and the blood
- 16. Small blood vessels that connect veins and arteries
- 17. Small pieces of cells that help in clotting
- 19. Blood vessel that takes blood AWAY from the heart
Down
- 1. Branching at the end of the trachea
- 2. Liquid part of blood
- 3. Molecule in red blood cells that binds with oxygen molecules
- 5. Muscular flap the separates air/trachea from food/esophagus
- 6. Type of blood cell involved in immunity
- 7. Type of blood cell that contains hemoglobin
- 9. Small branching within the lungs
- 11. Blood vessel that takes blood TOWARDS the heart
- 13. Side of the heart that is carrying oxygenated blood
- 15. "Voicebox"
- 18. "Windpipe"