| A | B |
|---|
| arteries | blood vessels that carry blood away from the heart |
| artia | the upper chambers of the heart |
| capillaries | tiny blood vessels through which nutrients, oxygen, and wastes are exchanged with body cells and air sacs in the lungs |
| coronary system | the part of the circulatory system that supplies oxygen to the heart |
| plasma | the liquid part of the body |
| platelets | solids in blood plasma that help to make the blood clot |
| veins | blood vessels that carry blood toward the heart |
| ventricles | the lower chambers of the heart |
