Across
- 3. cell required for clotting of the blood
- 6. blood vessels that connects arterioles and venules and allowes for exchange of nutrients and gases between the blood and the body cells
- 7. Ventricle:recives blood form the right atrium and pumps the blood into the pulmonary artery
- 8. System:transportation system of the body
- 10. layer of the heart
- 12. muscular wall that seperates the heart into a right and a left side
- 15. blood cells
- 17. iron-containing protein if the red blood cells;serves to carry oxygen from the lungs to the tissues
- 20. Ventricle:recives blood from the left atrium and pumps the blood into the aorta for transport
- 21. vessel that carries blood away from the heart
Down
- 1. vessel that carries blood back to the heart
- 2. sac that covers the outside of the heart
- 4. Valve:flap or cusp between the left atrium nad left ventricle
- 5. Valve:flap or cusp between the right ventricle of the heart and the pulmonary artery
- 9. portion of the blood
- 11. blood cells
- 12. period that follows the rest period in the cardiac cycle of ventricular contraction
- 13. Valve:located between the left ventricle and the aorta
- 14. smooth layer of cells that lines the inside of the heart and is continuous with the inside blood vessels
- 16. brief period of rest in the cardiac cycle
- 18. that circulates throughthe vessels in the body to carry substances to all the body parts
- 19. Valve:flap or cusp between the right atrium and the right ventricle in the heart