Across
- 4. vena cava Where the blood enters the heart
- 6. Small vessels that carry blood from the arterioles to the venules
- 7. This takes up 40-45% of the blood stream
- 8. factor The + or - in your blood type
- 10. Carry blood back to the heart
- 12. A clear fluid that contains water, fats, protein, and red blood cells and gets filtered through our body
- 14. Carry blood away from the heart
Down
- 1. system Delivers oxygen, hormones, and nutrients to cells and carries waste away
- 2. system Primary function of this system is breathing
- 3. system Consists of the heart, blood, and blood vessels
- 5. The exchange of gases between the body and the environment
- 7. A component of the blood that aids in clotting
- 9. The oxygen carrying protein in blood
- 11. Fights infection, aids in the body's immune system, and takes oxygen to the body's cells
- 13. The most vital organ in the body