Across
- 5. transported to lungs to be exhaled
- 7. moves blood back into the heart from the lungs
- 8. transports blood to the lungs from the heart
- 9. what is found between the atria and the ventricles
- 11. name for upper quadrants of the heart
- 12. provides energy through respiration
- 14. type of blood in the right side of the heart
- 15. takes blood around the whole body
- 16. link arteries and veins in tissues and organs
- 17. returns blood back to the heart
Down
- 1. carry blood away from the heart under high pressure
- 2. transported from air into the lungs
- 3. where blood is transported through the heart twice in one cycle
- 4. type of blood in the left side of the heart
- 6. chemical substances that regulate process in the body
- 10. return blood to the heart and have valves to prevent blood flowing backwards
- 13. name for lower quadrants of the heart