Across
- 2. – Blood vessel that carries blood away from the heart
- 5. – Lower heart chamber that pumps blood out of the heart
- 8. – Protein in red blood cells that carries oxygen
- 9. system – Body system that transports blood, oxygen, and nutrients
- 10. – Medical term for high blood pressure
- 12. – Muscle beneath the lungs that helps with breathing
Down
- 1. – Liquid portion of blood that carries cells and nutrients
- 3. – Windpipe that carries air to the lungs
- 4. – Upper chamber of the heart that receives blood
- 6. – Tiny blood vessel where gas and nutrient exchange occurs
- 7. – Blood vessel that carries blood back to the heart
- 11. – Blood cell fragment that helps with clotting