Cardiovascular system

2. / fluid that makes blood.
5. / smallest arteries
6. / the two lower chambers
7. / blood flows into this chamber after entering the superior and inferior vena cava
8. / seperates the heart into a right side and left side.
12. / a double-layered membrane that covers the outside of the heart
14. / this valve is located between the right atrium and the right ventricle.
16. / the smallest veins.
17. / the thickest, muscular layer.
18. / the largest artery in the body.
19. / this side receives deoxygenated blood.

1. / a complex protein composed of the protein molecule called globin and the iron compound called heme.
3. / connects arterioles with venules
4. / blood vessels that have valves in them.
5. / located between the left ventricle and the aorta
9. / a small battery-powered device with electrodes.
10. / this is another word for "mitral"
11. / a smooth layer of cells that lines the inside of the heart.
13. / this side receives oxygenated blood
15. / this valve is located between the right ventricle and the pulmonary artery