Across
- 2. The nose and the throat are in this part of the respiratory system
- 5. Small vessels that carry blood from the arterioles to the venules
- 7. The oxygen carrying protein in blood
- 9. The exchange of gases between the body and the environment
- 11. Consists of the heart, blood, and blood vessels
- 12. Brings blood back from the lungs into the heart
- 14. A clear fluid that contains water, fats, protein, and red blood cells and gets filtered through our body
- 17. Blood type that can receive blood from anyone (AB+)
- 19. A component of the blood that aids in clotting
- 20. Muscle that separates the chambers of the heart
Down
- 1. Carry blood back to the heart
- 3. The + or - in your blood type
- 4. This takes up 40-45% of the blood stream
- 6. Primary function of this system is breathing
- 8. Where the blood enters the heart
- 10. Delivers oxygen, hormones, and nutrients to cells and carries waste away
- 13. Carry blood away from the heart
- 15. Fights infection, aids in the body's immune system, and takes oxygen to the body's cells
- 16. The most vital organ in the body
- 18. Located in your throat, also considered the voice box