| A | B |
|---|
| Arteries | Vessels that move blood from the heart |
| Atherosclerosis | Circulatory system disorder in which fatty deposits form on artery walls and restrict blood flow |
| Atria | The two upper chambers of the human heart |
| Blood pressure | Pressure of blood in arteries |
| Coronary circulation | the flow of blood to heart tissues |
| Capillaries | microscope blood vessels that conncect arteries and veins Nutrients, oxgyen and waste are exchanged through thier one cell thick |
| Hypertension | a circulatory disorder in which blood pressure is too high |
| Hemoglobin | a chemical in red blood cell that carriers oxgyen to tissues and gives blood its red color |
