Across
- 7. Protein found in red blood cells that carries oxygen from the lungs.
- 8. Your heart is divided into 4 of these.
- 11. Makes up 45% of your blood and are responsible for carrying oxygen throughout body.
- 12. Large blood vessel that take blood away from the heart
- 13. The smallest of the blood vessels only one cell thick
- 15. The bottom 2 chambers of your heart.
- 16. The circulatory system transports oxygen, waste and this third thing.
- 18. Groups of cells work together to form this.
Down
- 1. The highway, roads, and driveways that transport the blood in your body.
- 2. Not to be confused with heated gas, this part of blood makes up 55% of it.
- 3. Makes up <1 % of blood, acts as guards to fight off illness
- 4. The fluid that is transported around the circulatory system.
- 5. The organ responsible for pumping blood
- 6. About how long does it take for blood to make one trip through your body.
- 9. Less than 1% of your total blood, these are valuable for when you get a cut.
- 10. Tissues are grouped together to form these.
- 14. The top 2 chambers of your heart.
- 17. The third type of blood vessel, returns blood back to the heart