Across
- 3. Organ that pumps blood
- 6. Side of the heart that pumps blood to the lungs
- 7. Sweet substance transported by the blood
- 10. Part of the blood that clots
- 14. What type of pressure is found in veins?
- 16. Function of the circulatory system
- 17. What type of pressure is found in arteries?
- 18. Is the lumen narrow or wide in arteries?
Down
- 1. Bottom chambers of the heart
- 2. Blood vessel that takes blood towards the heart
- 4. Top chambers of the heart
- 5. ___ blood cell, carries oxygen
- 8. Side of the heart that is thicker
- 9. Found in veins, prevent blood flowing the wrong way
- 11. Liquid part of the blood that carries dissolved substances
- 12. ______ dioxide, waste product transported by the blood
- 13. Blood vessel that takes blood away from the heart
- 15. ______ blood cell, fights infection
- 16. Is the muscle thick or thin in arteries?